There are
2,454 mi
from Carlsbad, CA to Hanahan, SC
That's the driving distance. It would take 1 day 19 hours to go from Carlsbad, California to Hanahan, South Carolina.
The flight distance (direct flight from Carlsbad, CA to Hanahan, SC) is 2,151.11 mi.
2,454 mi = 3.22 kms