There are
2,093 mi
from Concord, CA to Marshfield, WI
That's the driving distance. It would take 1 day 12 hours to go from Concord, California to Marshfield, Wisconsin.
The flight distance (direct flight from Concord, CA to Marshfield, WI) is 1,704.45 mi.
2,093 mi = 3.22 kms