Distance calculator

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

KPSM · Portsmouth International Airport at Pease → CYOS · Owen Sound / Billy Bishop Regional Airport

Distance
442.8 nm
820.1 km · 509.6 mi
Course (true)
285°
Reverse course
098°
Flight time
1:00

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