There are
2,044 mi
from San Clemente, CA to Dyer, IN
That's the driving distance. It would take 1 day 11 hours to go from San Clemente, California to Dyer, Indiana.
The flight distance (direct flight from San Clemente, CA to Dyer, IN) is 1,731.52 mi.
2,044 mi = 3,289.07 kms