There are
2,134 mi
from San Clemente, CA to New Castle, IN
That's the driving distance. It would take 1 day 13 hours to go from San Clemente, California to New Castle, Indiana.
The flight distance (direct flight from San Clemente, CA to New Castle, IN) is 1,831.43 mi.
2,134 mi = 3,434.12 kms