Distance calculator

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

CYND · Ottawa / Gatineau Airport → KIAD · Washington Dulles International Airport

Distance
403.7 nm
747.7 km · 464.6 mi
Course (true)
193°
Reverse course
011°
Flight time
0:55

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