There are
1,541 mi
from San Clemente, CA to Baytown, TX
That's the driving distance. It would take 1 day 2 hours to go from San Clemente, California to Baytown, Texas.
The flight distance (direct flight from San Clemente, CA to Baytown, TX) is 1,353.63 mi.
1,541 mi = 2,480.30 kms