There are
1,963 mi
from Downey, CA to Waunakee, WI
That's the driving distance. It would take 1 day 10 hours to go from Downey, California to Waunakee, Wisconsin.
The flight distance (direct flight from Downey, CA to Waunakee, WI) is 1,665.50 mi.
1,963 mi = 1.61 kms