There are
450 mi
from Dayton, OH to Waunakee, WI
That's the driving distance. It would take 8 hours 45 mins to go from Dayton, Ohio to Waunakee, Wisconsin.
The flight distance (direct flight from Dayton, OH to Waunakee, WI) is 361.15 mi.
450 mi = 723.96 kms