Distance calculator

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

KCOS · City of Colorado Springs Municipal Airport → KRDR · Grand Forks Air Force Base

Distance
634.6 nm
1,175.3 km · 730.3 mi
Course (true)
028°
Reverse course
213°
Flight time
1:27

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