Distance calculator

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

KSPI · Abraham Lincoln Capital Airport → KIAD · Washington Dulles International Airport

Distance
569.2 nm
1,054.2 km · 655.0 mi
Course (true)
092°
Reverse course
279°
Flight time
1:18

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