Distance calculator

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

KCKI · Williamsburg Regional Airport → KBOS · Boston Logan International Airport

Distance
665.9 nm
1,233.2 km · 766.3 mi
Course (true)
036°
Reverse course
222°
Flight time
1:31

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