There are
2,820 mi
from Gresham, OR to Bethlehem, PA
That's the driving distance. It would take 2 days 1 hour to go from Gresham, Oregon to Bethlehem, Pennsylvania.
The flight distance (direct flight from Gresham, OR to Bethlehem, PA) is 2,364.89 mi.
2,820 mi = 3.22 kms