Great Circle Mapper

There is also a desktop version available at


Enter at least two airports or even a multi leg flight route by using the comfortable airport search. Then choose an aircraft from the list or enter the speed manually. The Flight Distance App will calculate the great circle flight distance and the flight time and show the route path on an interactive map.

The Flight Distance App will display the distance and duration for each single leg and also the total result.


  • Great Circle flight distance calculation
  • Pick two or more airports for your desired air route
  • Flight time calculation by aircraft or manual speed input
  • Graphic presentation of the route on a map
  • Comfortable airport and aircraft search box
  • More than 30,000 airports worldwide
  • No internet connection required (except for the map and great circle route path)
  • Show distances in nautical miles, miles or kilometers (nm, m, km)
  • Show speed in knots, miles per hour or kilometers per hour (kts, mph, kmh)
  • Search airports by IATA code, ICAO code, airport name, city or country


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