There are
640 mi
from Mckeesport, PA to Hanahan, SC
That's the driving distance. It would take 12 hours 23 mins to go from Mckeesport, Pennsylvania to Hanahan, South Carolina.
The flight distance (direct flight from Mckeesport, PA to Hanahan, SC) is 512.54 mi.
640 mi = 1,029.77 kms