There are
2,423 mi
from San Clemente, CA to Rock Hill, SC
That's the driving distance. It would take 1 day 18 hours to go from San Clemente, California to Rock Hill, South Carolina.
The flight distance (direct flight from San Clemente, CA to Rock Hill, SC) is 2,082.30 mi.
2,423 mi = 3,899.13 kms