There are
2,350 mi
from San Clemente, CA to Westlake, OH
That's the driving distance. It would take 1 day 17 hours to go from San Clemente, California to Westlake, Ohio.
The flight distance (direct flight from San Clemente, CA to Westlake, OH) is 2,019.37 mi.
2,350 mi = 3,782.64 kms