Distance calculator

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

VTSM · Samui International Airport → VTUD · Udon Thani International Airport

Distance
496.8 nm
920.0 km · 571.7 mi
Course (true)
018°
Reverse course
199°
Flight time
1:08

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