There are
1,011 mi
from Garland, TX to Hilton Head Island, SC
That's the driving distance. It would take 19 hours 4 mins 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 = 1,627.40 kms