There are
2,108 mi
from San Clemente, CA to Westfield, IN
That's the driving distance. It would take 1 day 13 hours to go from San Clemente, California to Westfield, Indiana.
The flight distance (direct flight from San Clemente, CA to Westfield, IN) is 1,792.05 mi.
2,108 mi = 3,391.76 kms