There are
2,645 mi
from San Clemente, CA to Lantana, FL
That's the driving distance. It would take 1 day 22 hours to go from San Clemente, California to Lantana, Florida.
The flight distance (direct flight from San Clemente, CA to Lantana, FL) is 2,283.66 mi.
2,645 mi = 4,255.92 kms