Distance calculator

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

VEIM · Bir Tikendrajit International Airport → VTUD · Udon Thani International Airport

Distance
666.0 nm
1,233.5 km · 766.5 mi
Course (true)
130°
Reverse course
313°
Flight time
1:31

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