There are
1,395 mi
from San Clemente, CA to Southlake, TX
That's the driving distance. It would take 1 day to go from San Clemente, California to Southlake, Texas.
The flight distance (direct flight from San Clemente, CA to Southlake, TX) is 1,182.70 mi.
1,395 mi = 2,244.58 kms