Distance calculator

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

KIAD · Washington Dulles International Airport → KPHN · St Clair County International Airport

Distance
331.0 nm
613.1 km · 381.0 mi
Course (true)
318°
Reverse course
134°
Flight time
0:45

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