There are
1,011 mi
from Garland, TX to Hilton Head Island, SC
That's the driving distance. It would take 19 hours to go from Garland, Texas to Hilton Head Island, South Carolina.
The flight distance (direct flight from Garland, TX to Hilton Head Island, SC) is 925.45 mi.
1,011 mi = 1.61 kms