Distance calculator

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

VVKP · Kep Air Base → VTUD · Udon Thani International Airport

Distance
310.8 nm
575.5 km · 357.6 mi
Course (true)
220°
Reverse course
039°
Flight time
0:42

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