Distance calculator

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

VELP · Lengpui Airport → VTUD · Udon Thani International Airport

Distance
690.0 nm
1,277.9 km · 794.1 mi
Course (true)
122°
Reverse course
306°
Flight time
1:34

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