There are
2,398 mi
from Middletown, OH to Oak Harbor, WA
That's the driving distance. It would take 1 day 19 hours to go from Middletown, Ohio to Oak Harbor, Washington.
The flight distance (direct flight from Middletown, OH to Oak Harbor, WA) is 1,974.88 mi.
2,398 mi = 3,859.58 kms