There are
2,122 mi
from Hayward, CA to Marshfield, WI
That's the driving distance. It would take 1 day 13 hours to go from Hayward, California to Marshfield, Wisconsin.
The flight distance (direct flight from Hayward, CA to Marshfield, WI) is 1,716.34 mi.
2,122 mi = 3.22 kms