There are
384 mi
from Dayton, OH to Wauwatosa, WI
That's the driving distance. It would take 7 hours 35 mins to go from Dayton, Ohio to Wauwatosa, Wisconsin.
The flight distance (direct flight from Dayton, OH to Wauwatosa, WI) is 301.26 mi.
384 mi = 617.75 kms