Distance calculator

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

VVTH · Dong Tac Airport → VTUD · Udon Thani International Airport

Distance
459.9 nm
851.7 km · 529.2 mi
Course (true)
305°
Reverse course
124°
Flight time
1:03

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