There are
2,166 mi
from Hayward, CA to Fond Du Lac, WI
That's the driving distance. It would take 1 day 13 hours to go from Hayward, California to Fond Du Lac, Wisconsin.
The flight distance (direct flight from Hayward, CA to Fond Du Lac, WI) is 1,797.77 mi.
2,166 mi = 3.22 kms