Distance calculator

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

VYST · Shante Air Base → VTUD · Udon Thani International Airport

Distance
444.4 nm
823.0 km · 511.4 mi
Course (true)
118°
Reverse course
300°
Flight time
1:01

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