There are
2,308 mi
from Gresham, OR to Celina, OH
That's the driving distance. It would take 1 day 16 hours to go from Gresham, Oregon to Celina, Ohio.
The flight distance (direct flight from Gresham, OR to Celina, OH) is 1,924.30 mi.
2,308 mi = 3.22 kms