Distance calculator

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

KOSC · Oscoda Wurtsmith Airport → KBOS · Boston Logan International Airport

Distance
554.1 nm
1,026.1 km · 637.6 mi
Course (true)
099°
Reverse course
287°
Flight time
1:16

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