Distance calculator

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

ZPPP · Kunming Changshui International Airport → VTUD · Udon Thani International Airport

Distance
463.8 nm
859.0 km · 533.8 mi
Course (true)
181°
Reverse course
001°
Flight time
1:03

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