Miles between San Marcos, CA and Mercedes, TX

There are
1,540 mi
from San Marcos, CA to Mercedes, TX

That's the driving distance. It would take 1 day 2 hours to go from San Marcos, California to Mercedes, Texas.

The flight distance (direct flight from San Marcos, CA to Mercedes, TX) is 1,250.45 mi.

1,540 mi = 1.61 kms