There are
2,123 mi
from San Clemente, CA to Frankfort, IN
That's the driving distance. It would take 1 day 13 hours to go from San Clemente, California to Frankfort, Indiana.
The flight distance (direct flight from San Clemente, CA to Frankfort, IN) is 1,773.35 mi.
2,123 mi = 3,416.93 kms