There are
1,929 mi
from Ontario, CA to Waunakee, WI
That's the driving distance. It would take 1 day 10 hours to go from Ontario, California to Waunakee, Wisconsin.
The flight distance (direct flight from Ontario, CA to Waunakee, WI) is 1,637.45 mi.
1,929 mi = 1.61 kms