Distance calculator

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

KIAD · Washington Dulles International Airport → KAPT · Marion County Airport - Brown Field

Distance
453.9 nm
840.7 km · 522.4 mi
Course (true)
242°
Reverse course
057°
Flight time
1:02

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