There are
1,410 mi
from San Clemente, CA to Denton, TX
That's the driving distance. It would take 1 day to go from San Clemente, California to Denton, Texas.
The flight distance (direct flight from San Clemente, CA to Denton, TX) is 1,180.52 mi.
1,410 mi = 2,269.12 kms