There are
2,380 mi
from Middletown, OH to Tualatin, OR
That's the driving distance. It would take 1 day 17 hours to go from Middletown, Ohio to Tualatin, Oregon.
The flight distance (direct flight from Middletown, OH to Tualatin, OR) is 1,977.93 mi.
2,380 mi = 3,829.97 kms