There are
2,884 mi
from Gresham, OR to Hanahan, SC
That's the driving distance. It would take 2 days 3 hours to go from Gresham, Oregon to Hanahan, South Carolina.
The flight distance (direct flight from Gresham, OR to Hanahan, SC) is 2,398.40 mi.
2,884 mi = 3.22 kms