There are
2,542 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.
2,542 mi = 4,090.33 kms