There are
2,179 mi
from Hayward, CA to Wauwatosa, WI
That's the driving distance. It would take 1 day 13 hours to go from Hayward, California to Wauwatosa, Wisconsin.
The flight distance (direct flight from Hayward, CA to Wauwatosa, WI) is 1,818.93 mi.
2,179 mi = 3.22 kms