Distance calculator

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

KBHM · Birmingham-Shuttlesworth International Airport → KSAT · San Antonio International Airport

Distance
646.1 nm
1,196.5 km · 743.5 mi
Course (true)
251°
Reverse course
065°
Flight time
1:28

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