There are
1,581 mi
from San Clemente, CA to San Benito, TX
That's the driving distance. It would take 1 day 3 hours to go from San Clemente, California to San Benito, Texas.
The flight distance (direct flight from San Clemente, CA to San Benito, TX) is 1,297.03 mi.
1,581 mi = 2,544.77 kms