Distance calculator

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

KTTF · Custer Airport → KBOS · Boston Logan International Airport

Distance
553.2 nm
1,024.6 km · 636.7 mi
Course (true)
083°
Reverse course
272°
Flight time
1:15

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