There are
2,397 mi
from San Clemente, CA to Cayce, SC
That's the driving distance. It would take 1 day 18 hours to go from San Clemente, California to Cayce, South Carolina.
The flight distance (direct flight from San Clemente, CA to Cayce, SC) is 2,089.45 mi.
2,397 mi = 3,858.09 kms