There are
2,547 mi
from Santa Barbara, CA to Hilton Head Island, SC
That's the driving distance. It would take 1 day 20 hours to go from Santa Barbara, California to Hilton Head Island, South Carolina.
The flight distance (direct flight from Santa Barbara, CA to Hilton Head Island, SC) is 2,239.96 mi.
2,547 mi = 3.22 kms