Distance calculator

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

KCPR · Casper-Natrona County International Airport → KHLC · Hill City Municipal Airport

Distance
366.9 nm
679.5 km · 422.2 mi
Course (true)
123°
Reverse course
307°
Flight time
0:50

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