There are
2,043 mi
from Downey, CA to Waukesha, WI
That's the driving distance. It would take 1 day 11 hours to go from Downey, California to Waukesha, Wisconsin.
The flight distance (direct flight from Downey, CA to Waukesha, WI) is 1,723.29 mi.
2,043 mi = 3.22 kms