Distance calculator

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

KSSI · St Simons Island Airport → KHST · Homestead Air Reserve Base

Distance
344.2 nm
637.4 km · 396.1 mi
Course (true)
171°
Reverse course
351°
Flight time
0:47

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