There are
1,095 mi
from Mckinney, TX to Hanahan, SC
That's the driving distance. It would take 20 hours 10 mins to go from Mckinney, Texas to Hanahan, South Carolina.
The flight distance (direct flight from Mckinney, TX to Hanahan, SC) is 962.18 mi.
1,095 mi = 1.61 kms