Distance calculator

Great-circle distance. Enter an airport ICAO / IATA code or coordinates (for example 52.1657, 20.9671).

WMKB · RMAF Butterworth Air Base → VTUD · Udon Thani International Airport

Distance
729.4 nm
1,350.9 km · 839.4 mi
Course (true)
011°
Reverse course
191°
Flight time
1:39

Straight great-circle distance, not a route. Course is true, not magnetic.