Distance calculator

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

KMSO · Missoula Montana Airport → KCOS · City of Colorado Springs Municipal Airport

Distance
637.7 nm
1,181.1 km · 733.9 mi
Course (true)
136°
Reverse course
323°
Flight time
1:27

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