Distance calculator

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

KCLS · Chehalis Centralia Airport → KMSO · Missoula Montana Airport

Distance
365.6 nm
677.0 km · 420.7 mi
Course (true)
085°
Reverse course
271°
Flight time
0:50

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