Distance calculator

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

VTSN · Cha Eian Airport → VTUD · Udon Thani International Airport

Distance
560.3 nm
1,037.7 km · 644.8 mi
Course (true)
017°
Reverse course
198°
Flight time
1:16

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