Distance calculator

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

KFFX · Fremont Municipal Airport → KBOS · Boston Logan International Airport

Distance
661.5 nm
1,225.1 km · 761.2 mi
Course (true)
090°
Reverse course
281°
Flight time
1:30

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