Miles between San Marcos, CA and Round Rock, TX

There are
1,328 mi
from San Marcos, CA to Round Rock, TX

That's the driving distance. It would take 22 hours 59 mins to go from San Marcos, California to Round Rock, Texas.

The flight distance (direct flight from San Marcos, CA to Round Rock, TX) is 1,156.66 mi.

1,328 mi = 2,137.99 kms