There are
2,799 mi
from San Clemente, CA to Harrison, NJ
That's the driving distance. It would take 2 days 1 hour to go from San Clemente, California to Harrison, New Jersey.
The flight distance (direct flight from San Clemente, CA to Harrison, NJ) is 2,422.45 mi.
2,799 mi = 4,504.37 kms