There are
1,537 mi
from San Clemente, CA to Lake Jackson, TX
That's the driving distance. It would take 1 day 2 hours to go from San Clemente, California to Lake Jackson, Texas.
The flight distance (direct flight from San Clemente, CA to Lake Jackson, TX) is 1,342.15 mi.
1,537 mi = 2,473.38 kms