There are
2,591 mi
from Gresham, OR to Greeneville, TN
That's the driving distance. It would take 1 day 21 hours to go from Gresham, Oregon to Greeneville, Tennessee.
The flight distance (direct flight from Gresham, OR to Greeneville, TN) is 2,143.96 mi.
2,591 mi = 3.22 kms