Distance calculator

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

KROS · Rush City Regional Airport → KORD · Chicago O'Hare International Airport

Distance
312.4 nm
578.5 km · 359.5 mi
Course (true)
134°
Reverse course
317°
Flight time
0:43

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