Distance calculator

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

KRFD · Chicago Rockford International Airport → KLSF · Lawson Army Air Field

Distance
623.7 nm
1,155.0 km · 717.7 mi
Course (true)
160°
Reverse course
343°
Flight time
1:25

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