Distance calculator

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

CYSP · Marathon Airport → KIAD · Washington Dulles International Airport

Distance
702.6 nm
1,301.1 km · 808.5 mi
Course (true)
144°
Reverse course
330°
Flight time
1:36

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