Distance calculator

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

KAPN · Alpena County Regional Airport → KPSM · Portsmouth International Airport at Pease

Distance
561.7 nm
1,040.3 km · 646.4 mi
Course (true)
098°
Reverse course
287°
Flight time
1:17

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