There are
2,190 mi
from Hayward, CA to Brown Deer, WI
That's the driving distance. It would take 1 day 13 hours to go from Hayward, California to Brown Deer, Wisconsin.
The flight distance (direct flight from Hayward, CA to Brown Deer, WI) is 1,821.14 mi.
2,190 mi = 3.22 kms