It includes conversions for speed and distance units. The driving distance from Seattle (SEA) to Washington D. More than 4000 sea ports. It is approximately one minute of arc measured along any meridian. Yachts Shows and Luxury Events. Sea distance is measured in Nautical miles. Nautical Chart - Sea Depths, Wave Heights, Tide Scale Maritime Locator - Shipyards, Bunkerers, Agents Interactive Map - Maritime Geo Regions Voyage Planner - Sea Routes Visualizer Weather Map - Maritime Forecast Map. How it works in real life is that a nautical mile is a unit of distance equal to the length of one arcminute of the equator, which is 1852 meters. e. As these differ slightly (6108' at pole c. From the two bearings at which the vessels set off from the harbour at we can calculate the angle between their paths as: 139 - 37 = 102. The rope was lowered into the sea to measure depth. 0011364 miles. 17 times the square root of 61: 1. 10,000. What is the distance covered by a boat in 4 hours 48 minutes? The distance covered by a boat in 4 hours and. 0 m. 852 kilometers. Here are two standard methods: Vincenty's formula (applied above) 696. You can change between miles or km at any time. This flight distance finder would calculate air distance for all types of routes. Usually using a calculator or an online converter such as this one would be convenient due to the fraction part, especially if accuracy is of the essence. The result formula is. Sailing Distance Calculating Tool with support for multiple locations. Travelmath provides an online flight time calculator for all types of travel routes. 852 km = 1 nm (or nmi) using other commonly employed symbol conventions. 749 nautical miles; Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet. There are several ways to calculate the distance from Seoul to Seattle. SS). 821 kilometers; 4533. A nautical mile is based on the circumference of the Earth and is used by sea and air navigators. The driving distance from Seattle (SEA) to Sacramento (SMF) is 732 miles / 1178 kilometers, and travel time by car is about 14 hours 4 minutes. Regions . The distance between Seattle (Seattle–Tacoma International Airport) and Washington D. DD), degrees and decimal minutes (DD:MM. A nautical mile is based on the circumference of the Earth and is used by sea and air navigators. See also a map, estimated flight duration, carbon dioxide emissions and the time difference between Seattle and Reykjavik. 32 mi (13,900. The symbol for nautical mile is M or NM or nmi. Calculating voyage duration. Here are two standard methods: Vincenty's formula (applied above) 678. How To Use. For example, if the scale is 1:50,000, then one inch on the chart represents 50,000 inches on the ground. Charter unique motor yachts, sail boats or catamarans around the world and drop your anchor anywhere!The distance between Seattle (Seattle–Tacoma International Airport) and Ketchikan (Ketchikan International Airport) is 680 miles / 1094 kilometers / 591 nautical miles. In celestial navigation, lunar distance, also called a lunar, is the angular distance between the Moon and another celestial body. Where as one minute of latitude is equal to one nautical mile. The distance between Seattle (Seattle–Tacoma International Airport) and Phoenix (Phoenix Sky Harbor International Airport) is 1107 miles / 1781 kilometers / 962 nautical miles. The total straight line flight distance from LAX to SEA is 954 miles. A nautical mile is slightly longer than a land mile. Sea route & distance. 00049374 nautical miles. September 18, 2012 ~ Sailing navigation begins--as does all of navigation--with a good grip on how to use time, distance and speed. Nautical miles (UK) Cable. com provides flight time and distance calculators free for the air charter industry. The calculation used for determining the distance to the horizon takes into account variables such as vision, nautical miles, and the eyes. It does not have an agreed upon symbol; some of the symbols used are M, NM, nmi, and nm. 96. Shows the distance from Port to the North Pole, Equator, South Pole and any place in the world. C. To find the speed of a vessel on a measured nautical mile in a given number of minutes and seconds of time, enter the time in total seconds (i. Here are two standard methods: Vincenty's formula (applied above) 1050. Results are given in statute miles, nautical miles and kilometers. To convert 18 knots to feet per hour, we must multiply 18 knots by 6076 ft. I have tried using GeoPandas, shapely, geopy but I have not found a way that properly works. The distance between Vancouver (Vancouver International Airport) and Seattle (Seattle–Tacoma International Airport) is 127 miles / 205 kilometers / 110 nautical miles. It is approximately one minute of arc measured along any meridian. There are free data sets available for distances between ports: or msi. The nautical mile, on the other hand, is mostly used for sea and air navigation. There are 0. nautical and statute miles, fathoms, feet, meters and more. The lunar distances method uses this angle and a nautical almanac to calculate Greenwich time if so desired, or by extension any other time. 999827325707 cable. To convert nautical miles to statute miles, multiply the number of nautical miles by 1. Calculate the total nautical distance of your sea voyage with ease. Distance and route computation. Distance and route computation. Calculating the "As the Crow Flies" distance is a matter of using Great Circle formula. net utilizes Sea Distance Calculator from port to port, Nautical Chart, Interactive map of the major 300 rivers, seas and ocean objects and. To find the Distance use the formula of D=ST/60. To calculate the energy of an oil requires 4 parametres: Sulphur, Water, Ash and Density. The total straight line flight distance from MSP to SEA is 1,399 miles. 539. Distance in miles gives you the mileage between cities by this Philippines mileage calculator. 1K+ Downloads. This is because one degree of latitude is approximately 69 statute miles in length. Distance = 29 nautical miles. You can calculate the length of a path, running route, fence, border, or the perimeter of. • Nautical and U. The islands in detail. Distance by Vertical Angle Measured Between Sea Horizon and Top of Object Beyond Sea Horizon 6. It is defined as exactly 1,852 meters or 1. 86897624 nautical miles. 15 statute miles (or 1. The Nautical Calculators can be used to solve many of the equations and conversions typically associated with marine navigation. C. The distance will be calculated then displayed below the map in miles or kilometers. It is approximately one minute of arc measured along any meridian. Free trial is available and you will just like this amazing application once you. Distance calculator. com. 00016458 nautical miles. Highly doubt this is correct as Sea of Thieves does not apply current vectors to ships. Distance = 16. Example 1: A fast 30m yacht cruising at 20 knots ( Lady Amanda) will consume roughly 400-500 l/hour (more depending on engine type). All distances shown are approximate berth to berth distances (not Pilot Station to Pilot Station). 852 = 18. Get API Keys Contact us Get point to point, port to point and port to port sea routes and sea distances. 1508 land-measured (or statute) miles (1. . BednBlue. e. The driving distance from Seattle (SEA) to Chicago (ORD) is 2036 miles / 3276 kilometers, and travel time by car is about 35 hours 59 minutes. 852 kilometers. 852: 10 NM × 1. To find the speed of a vessel on a measured nautical mile in a given number of minutes and seconds of time, enter the time in total seconds (i. R is the radius of Earth (approximately 6,371 kilometers) h denotes your height above sea level. 1∘ degree of Latitude = 60’ (minute) or 60 nautical miles. All distances shown are approximate berth to berth distances (not Pilot Station to Pilot Station). 15 miles. Example: Calculate the radar horizon and the. There are 0. We return […]What is a nautical mile (M, NM, or nmi)? A nautical mile is a non-SI unit of Length or Distance. This distance can be different because of wind. Height of Eye = 10 feet Geographic Range = 11. Boats with deeper draft may have to select longer routes to avoid shallows. A Note on Distance. Boats with deeper draft may have to select longer routes to avoid shallows. 15 statute miles. Provide the distance in miles, kilometers, or. We assume you are converting between mile [nautical, international] and mile. This principle comes from the fundamental definitions of speed and time in physics. The symbol for nautical mile is M or NM or nmi. Now you know the distances in nautical miles, how long is it going to take to sail there? Below is a rough guide to mean speeds in nautical miles per hour for various boat lengths. 5 knots. You can plan your sailing journey down to the last detail with our interactive distance calculator. The total straight line flight distance from ANC to SEA is 1,448 miles. 6 miles. (IAD) to Seattle (SEA) is 2743 miles / 4414 kilometers, and travel time by car is about 49 hours 22 minutes. C. It ends at Seattle-Tacoma International Airport in. The similar sound of "knot" and "naut" is entirely coincidental. 86897624190065 (the conversion factor). Port distances. Driving directions and travel distance calculation for Indonesia. Calculates the speed in knots and the distance in nautical miles at shipping. The driving distance from Seattle (SEA) to Palm Springs (PSP) is 1230 miles / 1979 kilometers, and travel time by car is about 23 hours 16 minutes. Here are two standard methods: Vincenty's formula (applied above) 978. Think of it this way: the bigger the boat, the bigger the fuel compartment. The distance between Seattle (Seattle–Tacoma International Airport) and Washington D. Approximating the figure of Earth by an Earth spheroid, the radius ranges from a maximum of nearly 6,378 km (3,963 mi) (equatorial radius, denoted a) to a minimum of nearly 6,357 km (3,950 mi) (polar radius, denoted b). However, we have based our knots calculator on the international nautical mile which is commonly used thoughout the world. One nautical mile = 1. The distance between Seattle (Seattle–Tacoma International Airport) and Pittsburgh (Pittsburgh International Airport) is 2125 miles / 3420 kilometers / 1846 nautical miles. Determine the distance traveled between port of origin and port of destination using Dataloy or other nautical distance resources. - Distance by Vertical Angle Measured Between Sea Horizon and Top of Object Beyond Sea Horizon - Distance by Vertical Angle Measured Between Waterline. A nautical mile is a non-SI unit of Length or Distance. survey miles. A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. g. Sea-SeekDistance Calculator. A cable length or length of cable is a nautical unit of measure equal to one tenth of a nautical mile or approximately 100 fathoms. Nautical mile = 1852m / 1. Indeed even the most advanced navigation system uses these same elements to tell you where you are, calculate the direction you need to steer, and estimate the distance and time you will arrive at a point some time in. 852 kilometers (km) = 1852 meters = 6076. What’s Distance & Time? It’s a logistics application created to estimate distances and times between sea routes under particular. You can then use geosphere::dist2Line to get the distance from your points to the coastline. To start, simply. The answer is 5249763. You can choose between miles and kilometers (km), nautical miles, meters or feet for the distance readout; How it Works. The premise with these rules is that a Nautical Mile (NM) = 2000 yards (yds) Additionally, 1 knot (kt) = 1 NM / hr = 2000 yds/hr (this is the equivalent to MPH) 3 Minute Rule: Speed (kts) * 100 = Distance (yds) traveled in 3 minutes Example: if traveling 20 knots, the distance you've traveled in 3 minutes is as follows: 20kts *100 = 2000ydsThe distance between Seattle (Seattle–Tacoma International Airport) and San Francisco (San Francisco International Airport) is 679 miles / 1092 kilometers / 590 nautical miles. e. The distance between Washington D. 129 nautical miles; Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet. The function VI03 -Port Distances and Routes will calculate distances between ports (simple response) and even provide a track (extended response). Sitting in a hotel room 10m above sea level a boat on the horizon will be 11. We have developed custom routing algorithms, and leverage. Zoom and drag the map to find the location of marker 2. Notice The Difference Between Miles And Nautical Miles. Usually using a calculator or an online converter such as this one would be convenient due to the fraction part, especially if accuracy is of the essence. I. Ocean distances & insights in logistics operations. Sea route & distance. Outside Route • Seattle to Swiftsure Bank (Table 31) is 134 miles The Distance Calculator can find distance between any two cities or locations available in The World Clock. Click in the large textfield above to enter all the airports of your flight route! MAP YOUR ROUTE. Mediterranean-sea is 2,418. R is the radius of Earth (approximately 6,371 kilometers) h denotes your height above sea level. Show more >. Hence. Also, 1 nautical mile is 1852 metres. 15078 statute miles. 1508 miles. A nominal Earth radius is. 1/60th of that measure would be 1. According to the picture, we can calculate the distance to the horizon from the Pythagoras theorem. There are several ways to calculate the distance from Nashville to Seattle. There are several ways to calculate the distance from San Diego to Seattle. Navigation tools. The distance between Seattle (Seattle–Tacoma International Airport) and Fairbanks (Fairbanks International Airport) is 1533 miles / 2467 kilometers / 1332 nautical miles. 18,520. e. Nautical miles measure distance. Have you ever wondered how you can calculate how far a sailboat can sail in a day? A sailboat can travel 144 nautical miles in 24 hours with an average cruising speed of 6 knots, which is realistic for a. 283 kilometers; 912. net utilizes Sea Distance Calculator from port to port, Nautical Chart, Interactive map of the major 300 rivers, seas and ocean objects and regions, Maritime Locator useful to spot, find out and contact Shipyards, Agents, Ship Suppliers, Bunkerers and nearby Sea Ports in the. 1 nautical mile is the angular distance of 1 minute of arc on the earth's surface. Traverse Table 7. 1 statute mile = 5280 ft 1 nautical mile = 6076 ft. 3. 6 m. oil. A nautical mile is based on the circumference of the Earth and is used by sea. The function VI03 -Port Distances and Routes will calculate distances between ports (simple response) and even provide a track (extended response). Distance in miles gives you the mileage between cities by this Turkey mileage calculator. 00000054 nautical miles. Distance = Speed X Time. (Ronald Reagan Washington National Airport) is 2328 miles / 3747 kilometers / 2023 nautical miles. Use this easy and mobile-friendly calculator to convert between meters and nautical miles. 283 kilometers; 912. The formula for converting nautical miles to other units involves multiplying the distance in nautical miles by the appropriate conversion factor. The scale of a chart is the ratio of a given distance on the chart to the actual distance which it represents on the earth. Sea Distances. Note: To measure the distance on the google maps distance calculator tool. The driving distance from Washington D. A nautical mile is 10 cable lengths, or 6,076 feet. Or browse the mileage charts for any state or country. Your flight direction from HNL to SEA is Northeast (39 degrees. 3km away. 951 nautical miles; Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet. At sea, the distance commonly is measured in nautical miles (nm), whereas one nm is exactly 1852 meters. When done: On the card at the bottom, click Close; Knowing the average fuel consumption (engines, generators…) at cruising speed and the price per litre (diesel price here + add local fee for yacht 0. The symbol for nautical mile is M or NM or nmi. 150779448 to get the corresponding measurement in miles. Philippines Distance Chart (Distance Table): For your quick reference, below is a Distance Chart or Distance Table of distances between some of the. [6] The territorial sea is sovereign territory, although foreign ships (military and civilian) are. 1508 statute miles = 1. Weather; Sea Marks; Harbours; Sport; Aerial photo; Coordinate GridSearoutes is a professional tool for route and distance calculation, voyage planning of seagoing vessels. Note that in air and marine navigation, a nautical mile is used as a unit of distance because the nautical mile is one minute of latitude. Firstly, from 0900 to 1400 that is 5 hours so because 1 knot is 1 nautical mile we can calculate the distance both of the vessels travelled in the time period: Yacht: 24 * 5 = 120m. 852 kilometers (km) = 1852 meters. Nautical units of speed. 514 m/s ). To calculate a company’s CO 2 footprint from ocean container transport: 1. The symbol for nautical mile is M or NM or nmi. These speeds are estimated for winds of 4 to 5 beaufort and wave heights of up to 1. Let be the distance in nautical miles (1mile=1852 metres), the course or route in bearing, , and , the respective coordinates of points and . Definition: The US nautical mile is defined as exactly 1,852 meters or 1. As dimension for the speed, knots (kn) is used, one knot is one nautical mile per hour. The distance between Seattle (Seattle–Tacoma International Airport) and Houston (Houston George Bush Intercontinental Airport) is 1874 miles / 3016 kilometers / 1628 nautical miles. There are 0. See also a map, estimated flight duration, carbon dioxide emissions and the time difference between Seattle and Manila. Here are two standard methods: Vincenty's formula (applied above) 7424. When calculating the cost of a voyage, it is important to find out how long a ship will take to steam from one port to another. The driving distance from Seattle (SEA) to San Diego (SAN) is 1243 miles / 2001 kilometers, and travel time by car is about 23 hours 37 minutes. The simple response will give you distance in nautical miles and whether the ship must pass through either the Panama Canal, Suez canal or both. Calculate the distance, fuel consumption, and cost of your next boating trip. If. What is a mile (mi)? A mile is. The average of frequent measurements taken throughout the day proved to be a highly. Here are the basic conversion formulas for nautical. Distance Calculators-----1. Enter latitude and longitude of two points, select the desired units: nautical miles (n mi), statute miles (sm), or kilometers (km) and click Compute. Popular distances from Seattle (SEA) Distance from Seattle to Bangalore (Seattle–Tacoma International Airport – Kempegowda International Airport) is 8078 miles / 13000 kilometers / 7020 nautical miles. The distance between Seattle (Seattle–Tacoma International Airport) and Palm Springs (Palm Springs International Airport) is 987 miles / 1589 kilometers / 858 nautical miles. There are several ways to calculate the distance from Dubai to Seattle. You can calculate the length of a path, running route, fence, border, or the perimeter of any object that. To. For instance, a boat or ship travelling at 15 knots could go 15 nautical miles per hour. The symbol for nautical mile is M or NM or nmi. Popular distances from Seattle (SEA) Distance from Seattle to Reykjavik (Seattle–Tacoma International Airport – Keflavík International Airport) is 3622 miles / 5830 kilometers / 3148 nautical miles. If we want the distance in nautical miles and the height in feet, we must use some conversion factors. Seametrix uses the most sophisticated calculating algorithms, running on cutting-edge servers, and provides by far the most accurate sea distance results when it comes to nautical distances between ports! Air Distance & Flight Time Calculation The Great Circle Mapper. Philippines Distance Chart (Distance Table): For your quick reference, below is a Distance Chart or Distance Table of distances between some of the. 81 = 9. A nautical mile is based on the circumference of the Earth and is used by sea and air navigators. 1/60th of that measure would be 1. It is approximately one minute of arc measured along any meridian. Here are two standard methods: Vincenty's formula (applied above) 1448. This calculator relieves the tedious process of determining those waypoints for the voyage. Also you will find some providers that give you distances between ports depending on AIS data like marinetraffic. Export the distance as a raster. coal, aggregates): combined weight of cargo, fuel, water, provisions, passengers and crew a vessel can carry, measured in thousand tons. 15 statute miles. For example: A 95-foot yacht with a 9000-liter fuel tank can travel up to 1,200 nautical miles. 1 nautical mile = 1. Get estimated flight time by choosing an aircraft type or entering the cruising speed. 0174 0 0 2000 4000 6000 8000 10000 12000 14000 2 4 6 8 10 12 Transport cost per ton (ln) Nautival miles Figure 3. Calculate the distance between you and the horizon,. It does this by. A nautical mile is a non-SI unit of Length or Distance. What is a mile (mi)? A mile is. Boatbookings have created the leading online yacht charter route planner, distance and fuel calculator, so you can see your exact cruising plan and itinerary in unrivalled detail. The calculation used for determining the distance to the horizon takes into account variables such as vision, nautical miles, and the eyes. This is because one degree of latitude is approximately 69 statute miles in length. The driving distance from Seattle (SEA) to Tampa (TPA) is 3133 miles / 5042 kilometers, and travel time by car is about 55 hours 24 minutes. What is a nautical mile (M, NM, or nmi)? A nautical mile is a non-SI unit of Length or Distance. A nautical mile is based on the circumference of the Earth and is used by sea and air navigators. The distance between Seattle (Seattle–Tacoma International Airport) and Chicago (Chicago O'Hare International Airport) is 1721 miles / 2769 kilometers / 1495 nautical miles. This is not something you can see easily in game, the only way you could track this is by adding up the Gold Hoarder, Order of Souls, Merchant Alliance and Athena's Fortune miles travelled from the commendations page. Boatbookings have created the leading online yacht charter route planner, distance and fuel. Sea+InlandRouting Get the most accurate distances to better predict arrival times, monitor fuel consumption, estimate Co2, compute deviation costs. Geographic Range 8. There are 0. nga. See conversion. Online calculator to convert nautical miles to miles (nmi to mi) with formulas, examples, and tables. Press the Calculate button and the distance of the horizon will be displayed in Kilometres when the observer's height is in metres or Miles when the observer height is entered in feet. You’ll just want. To add another point, click anywhere on the map. It is approximately one minute of arc measured along any meridian. The driving distance from Seattle (SEA) to Houston (IAH) is 2331 miles / 3752 kilometers, and travel time by car is about 41 hours 23 minutes. Your trip begins at Honolulu International Airport in Honolulu, Hawaii. A statute mile equals 5,280 feet, whereas a nautical mile is 6,076 feet. Each coastal State may claim a territorial sea that extends seaward up to 12 nautical miles (nm) from its baselines. 15077945. Vancouver to Toronto distance (YVR–YYZ) Anchorage to Seattle distance (ANC–SEA) London to Sydney distance (LHR–SYD) Air Miles Calculator helps you calculate how many miles it is from one airport to another. The database uses the great circle distance and the average airspeed of a commercial airliner to figure out how long a. (see red lines in picture below for reference. Route Planner improves operational efficiency by route optimisation for any sea passage. To calculate a company’s CO 2 footprint from ocean container transport: 1. 15077945 miles per hour but obviously that’s very specific. The distance between cities of South Korea is calculated in kilometers(kms), miles and nautical miles. Double the speed to 120 and you cover twice that distance, or 17 nautical miles. 18,335. 3. (Ronald Reagan Washington National Airport) and Seattle (Seattle–Tacoma International Airport) is 2328 miles / 3747 kilometers / 2023 nautical miles. The driving distance from Newark (EWR) to Seattle (SEA) is 2834 miles / 4561 kilometers, and travel time by car is about 50 hours 55 minutes. It is developed under consideration for user-friendly UX & UI to enhance efficiency of your daily work. Here, from two values and units, the third value can be calculated. Get estimated flight time by choosing an aircraft type or entering the cruising speed. The distance calculator helps you figure out how far it is to get from ORD to SEA. It is commonly used to measure the distance between places in the United States and United Kingdom. The Travel Time by Boat Calculator works based on the simple principle of “time equals distance divided by speed”, commonly written as T = D/S. 13 miles. calculate Share route via SMS: Login to be able to send. Here are two standard methods: Vincenty's formula (applied above) 5216. Each calculator page is a self-contained JavaScript program that can be downloaded and used off-line. Straits Of Florida. What is a mile (mi)? A mile is. The driving distance from Seattle (SEA) to Washington D. Notes: Distance shown are in nautical miles. This is equivalent to 1 535 kilometers or 829 nautical miles. 15. convert decimal degrees to degrees, minutes, seconds. Accurate routes and sea distances are a key criteria to improve decision making. There are several ways to calculate the distance from Indianapolis to Seattle. 293 miles; 1690. 2) Determine your speed. (Washington Dulles International Airport) is 2306 miles / 3711 kilometers / 2004 nautical miles. The actual number is 1. Click to place marker 2. Your flight direction from ORD to SEA is Northwest (-65 degrees from North). C. Transmate's freight rate management and tendering platform can be used to quickly and accurately calculate distances, costs, and CO2 for shipment. For example, to convert 10 nautical miles to kilometres, we multiply by 1. 1 U. 396 nautical miles. 1 nautical mile = 1. Just type the number of meters into the box and hit the Calculate button. The nautical mile is abbreviated as M, NM, nm, or nmi. 56 ft. See also a map, estimated flight duration, carbon dioxide emissions and the time difference between Seattle and Singapore. Your trip begins at Los Angeles International Airport in Los Angeles, California. Distance = 12 kts x 2. 3. Nautical miles may be converted to statute miles of 5,280 feet by multiplying by 1. 7nm. 900,000. There are several ways to calculate the distance from Los Angeles to Seattle. The distance between cities of Philippines is calculated in kilometers(kms), miles and nautical miles. SS). Map of ports all around the world, Enter two ports, choose speed and find out how long it will take. Thus, 2,700 nautical miles are equivalent to 3,107. 780 kilometers; 1331. First zoom in, or enter the address of your starting point. It ends at Seattle-Tacoma International. To get h into nautical miles we must divide it by 6,076 (by international convention, the number of feet in a nautical mile. Similar to the speed and distance measurement on land, the nautical mile and knot explain the movement of a vessel at sea. 0 Kilometers. 1. 17 X the square root of 9 = distance to the horizon in nautical miles. This calculation gives the distance in nautical and statute miles of the visible sea horizon for various heights of the eye in feet and meters. For a long distance trip, you can plan a road trip with stops. Feet : A foot (symbol: ft) is a unit of length. We aim at helping shippers, BCOs, forwarders and carriers identify the greener routes to reduce their transport carbon footprint, all modes. Here are two standard methods: Vincenty's formula (applied above) 1448. Here’s how it works: given the total distance (D) of the journey in nautical miles and the average speed (S) of. Tanker (e. The symbol for nautical mile is M or NM or nmi. Clearly you, the user inputs two 'points' that are used to calculate the distance.