There are
2,103 mi
from San Clemente, CA to Louisville, KY
That's the driving distance. It would take 1 day 12 hours to go from San Clemente, California to Louisville, Kentucky.
The flight distance (direct flight from San Clemente, CA to Louisville, KY) is 1,805.80 mi.
2,103 mi = 3,383.99 kms