Distance calculator

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

WMKA · Sultan Abdul Halim Airport → VTUD · Udon Thani International Airport

Distance
686.7 nm
1,271.8 km · 790.3 mi
Course (true)
012°
Reverse course
192°
Flight time
1:34

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