Distance calculator

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

VYFS · Surbung Airport → VTUD · Udon Thani International Airport

Distance
614.9 nm
1,138.8 km · 707.6 mi
Course (true)
121°
Reverse course
304°
Flight time
1:24

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