There are
1,377 mi
from San Clemente, CA to Lockhart, TX
That's the driving distance. It would take 23 hours 32 mins to go from San Clemente, California to Lockhart, Texas.
The flight distance (direct flight from San Clemente, CA to Lockhart, TX) is 1,196.11 mi.
1,377 mi = 2,215.80 kms