There are
2,731 mi
from Hayward, CA to Hilton Head Island, SC
That's the driving distance. It would take 2 days to go from Hayward, California to Hilton Head Island, South Carolina.
The flight distance (direct flight from Hayward, CA to Hilton Head Island, SC) is 2,351.70 mi.
2,731 mi = 3.22 kms