There are
1,426 mi
from Mcallen, TX to Hanahan, SC
That's the driving distance. It would take 1 day 2 hours to go from Mcallen, Texas to Hanahan, South Carolina.
The flight distance (direct flight from Mcallen, TX to Hanahan, SC) is 1,187.41 mi.
1,426 mi = 1.61 kms