There are
2,204 mi
from San Clemente, CA to Celina, OH
That's the driving distance. It would take 1 day 15 hours to go from San Clemente, California to Celina, Ohio.
The flight distance (direct flight from San Clemente, CA to Celina, OH) is 1,876.68 mi.
2,204 mi = 3,546.28 kms