Miles between San Marcos, CA and Altus, OK

There are
1,237 mi
from San Marcos, CA to Altus, OK

That's the driving distance. It would take 21 hours 50 mins to go from San Marcos, California to Altus, Oklahoma.

The flight distance (direct flight from San Marcos, CA to Altus, OK) is 1,026.59 mi.

1,237 mi = 1,991.32 kms