Distance calculator

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

KCLT · Charlotte Douglas International Airport → KBOS · Boston Logan International Airport

Distance
631.9 nm
1,170.3 km · 727.2 mi
Course (true)
044°
Reverse course
231°
Flight time
1:26

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