There are
2,303 mi
from Middletown, OH to Klamath Falls, OR
That's the driving distance. It would take 1 day 18 hours to go from Middletown, Ohio to Klamath Falls, Oregon.
The flight distance (direct flight from Middletown, OH to Klamath Falls, OR) is 1,946.49 mi.
2,303 mi = 3,706.31 kms