Miles between San Antonio, TX and San Marcos, CA

There are
1,288 mi
from San Antonio, TX to San Marcos, CA

That's the driving distance. It would take 21 hours 52 mins to go from San Antonio, Texas to San Marcos, California.

The flight distance (direct flight from San Antonio, TX to San Marcos, CA) is 1,130.42 mi.

1,288 mi = 1.61 kms