There are
2,300 mi
from Gresham, OR to Clarksville, IN
That's the driving distance. It would take 1 day 16 hours to go from Gresham, Oregon to Clarksville, Indiana.
The flight distance (direct flight from Gresham, OR to Clarksville, IN) is 1,932.15 mi.
2,300 mi = 3.22 kms