There are
2,486 mi
from Lakeland, FL to San Clemente, CA
That's the driving distance. It would take 1 day 19 hours to go from Lakeland, Florida to San Clemente, California.
The flight distance (direct flight from Lakeland, FL to San Clemente, CA) is 2,139.78 mi.
2,486 mi = 3.22 kms