There are
2,458 mi
from Mentor, OH to Troutdale, OR
That's the driving distance. It would take 1 day 18 hours to go from Mentor, Ohio to Troutdale, Oregon.
The flight distance (direct flight from Mentor, OH to Troutdale, OR) is 2,048.43 mi.
2,458 mi = 3,955.19 kms