There are
2,100 mi
from San Clemente, CA to Seymour, IN
That's the driving distance. It would take 1 day 13 hours to go from San Clemente, California to Seymour, Indiana.
The flight distance (direct flight from San Clemente, CA to Seymour, IN) is 1,800.04 mi.
2,100 mi = 3,379.45 kms