There are
2,640 mi
from San Clemente, CA to Royal Palm Beach, FL
That's the driving distance. It would take 1 day 22 hours to go from San Clemente, California to Royal Palm Beach, Florida.
The flight distance (direct flight from San Clemente, CA to Royal Palm Beach, FL) is 2,270.35 mi.
2,640 mi = 4,248.34 kms