Distance calculator

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

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

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

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