Miles between Rialto, CA and San Marcos, TX

There are
1,324 mi
from Rialto, CA to San Marcos, TX

That's the driving distance. It would take 22 hours 43 mins to go from Rialto, California to San Marcos, Texas.

The flight distance (direct flight from Rialto, CA to San Marcos, TX) is 1,173.23 mi.

1,324 mi = 1.61 kms