Distance calculator

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

KBOS · Boston Logan International Airport → KGYY · Gary/Chicago International Airport

Distance
732.3 nm
1,356.3 km · 842.8 mi
Course (true)
272°
Reverse course
081°
Flight time
1:40

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