There are
2,466 mi
from Buena Park, CA to Hanahan, SC
That's the driving distance. It would take 1 day 19 hours to go from Buena Park, California to Hanahan, South Carolina.
The flight distance (direct flight from Buena Park, CA to Hanahan, SC) is 2,179.72 mi.
2,466 mi = 3.22 kms