There are
2,156 mi
from San Clemente, CA to Frankfort, KY
That's the driving distance. It would take 1 day 13 hours to go from San Clemente, California to Frankfort, Kentucky.
The flight distance (direct flight from San Clemente, CA to Frankfort, KY) is 1,853.82 mi.
2,156 mi = 3,469.35 kms