Distance calculator

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

KIDI · Indiana County–Jimmy Stewart Airport → KBOS · Boston Logan International Airport

Distance
378.4 nm
700.7 km · 435.4 mi
Course (true)
071°
Reverse course
257°
Flight time
0:52

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