Distance calculator

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

KOSC · Oscoda Wurtsmith Airport → KIAD · Washington Dulles International Airport

Distance
424.2 nm
785.7 km · 488.2 mi
Course (true)
139°
Reverse course
323°
Flight time
0:58

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