Distance calculator

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

KBJC · Rocky Mountain Metropolitan Airport → KHLN · Helena Regional Airport

Distance
501.4 nm
928.7 km · 577.0 mi
Course (true)
326°
Reverse course
141°
Flight time
1:08

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