Distance calculator

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

VTUD · Udon Thani International Airport → VTBN · Prachuap Khiri Khan Airport

Distance
343.0 nm
635.3 km · 394.8 mi
Course (true)
210°
Reverse course
029°
Flight time
0:47

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