Distance calculator

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

KCDN · Woodward Field → KBOS · Boston Logan International Airport

Distance
660.9 nm
1,223.9 km · 760.5 mi
Course (true)
040°
Reverse course
226°
Flight time
1:30

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