There are
730 mi
from San Clemente, CA to Las Cruces, NM
That's the driving distance. It would take 12 hours 54 mins to go from San Clemente, California to Las Cruces, New Mexico.
The flight distance (direct flight from San Clemente, CA to Las Cruces, NM) is 633.84 mi.
730 mi = 1,175.35 kms