Flight Duration Calculator
Work out a flight's real duration from local departure and arrival times, or the local arrival time from a flight length.
Travel & Global
The straight-line (great-circle) distance between two cities or coordinates in km, miles and nautical miles, with bearing and time difference.
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Choose two cities from the list, or enter latitude and longitude for either end, to get the great-circle distance in kilometres, miles and nautical miles, the compass bearing at departure, the time difference between the two cities and a rough flight time.
The distance is the shortest path over the Earth's surface between city centres, treating the Earth as a sphere. Road distances and actual flight paths are longer. The flight time is an estimate from an assumed average speed plus 30 minutes, not a schedule.
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