There are
560 mi
from Middletown, OH to Wausau, WI
That's the driving distance. It would take 11 hours 6 mins to go from Middletown, Ohio to Wausau, Wisconsin.
The flight distance (direct flight from Middletown, OH to Wausau, WI) is 461.41 mi.
560 mi = 901.34 kms