There are
1,548 mi
from San Clemente, CA to Seabrook, TX
That's the driving distance. It would take 1 day 2 hours to go from San Clemente, California to Seabrook, Texas.
The flight distance (direct flight from San Clemente, CA to Seabrook, TX) is 1,354.32 mi.
1,548 mi = 2,491.58 kms