Miles between San Marcos, CA and Boerne, TX

There are
1,256 mi
from San Marcos, CA to Boerne, TX

That's the driving distance. It would take 21 hours 20 mins to go from San Marcos, California to Boerne, Texas.

The flight distance (direct flight from San Marcos, CA to Boerne, TX) is 1,109.12 mi.

1,256 mi = 1.61 kms