Miles between Middletown, OH and Ottawa, IL

There are
340 mi
from Middletown, OH to Ottawa, IL

That's the driving distance. It would take 6 hours 45 mins to go from Middletown, Ohio to Ottawa, Illinois.

The flight distance (direct flight from Middletown, OH to Ottawa, IL) is 265.72 mi.

340 mi = 546.92 kms