There are
1,343 mi
from San Clemente, CA to Leander, TX
That's the driving distance. It would take 23 hours 27 mins to go from San Clemente, California to Leander, Texas.
The flight distance (direct flight from San Clemente, CA to Leander, TX) is 1,172.47 mi.
1,343 mi = 2,160.67 kms