There are
2,457 mi
from Oceanside, CA to Hanahan, SC
That's the driving distance. It would take 1 day 19 hours to go from Oceanside, California to Hanahan, South Carolina.
The flight distance (direct flight from Oceanside, CA to Hanahan, SC) is 2,152.25 mi.
2,457 mi = 3.22 kms