There are
1,430 mi
from San Clemente, CA to Rockwall, TX
That's the driving distance. It would take 1 day to go from San Clemente, California to Rockwall, Texas.
The flight distance (direct flight from San Clemente, CA to Rockwall, TX) is 1,221.58 mi.
1,430 mi = 2,301.57 kms