There are
1,398 mi
from San Clemente, CA to Ardmore, OK
That's the driving distance. It would take 1 day to go from San Clemente, California to Ardmore, Oklahoma.
The flight distance (direct flight from San Clemente, CA to Ardmore, OK) is 1,174.36 mi.
1,398 mi = 2,250.07 kms