There are
2,049 mi
from Downey, CA to Greendale, WI
That's the driving distance. It would take 1 day 11 hours to go from Downey, California to Greendale, Wisconsin.
The flight distance (direct flight from Downey, CA to Greendale, WI) is 1,734.03 mi.
2,049 mi = 3.22 kms