There are
2,488 mi
from San Clemente, CA to Lakeland, FL
That's the driving distance. It would take 1 day 19 hours to go from San Clemente, California to Lakeland, Florida.
The flight distance (direct flight from San Clemente, CA to Lakeland, FL) is 2,139.78 mi.
2,488 mi = 4,003.59 kms