Distance calculator

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

KAIO · Atlantic Municipal Airport → KORD · Chicago O'Hare International Airport

Distance
321.9 nm
596.2 km · 370.5 mi
Course (true)
082°
Reverse course
266°
Flight time
0:44

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