There are
2,204 mi
from Walnut Creek, CA to Howard, WI
That's the driving distance. It would take 1 day 14 hours to go from Walnut Creek, California to Howard, Wisconsin.
The flight distance (direct flight from Walnut Creek, CA to Howard, WI) is 1,810.01 mi.
2,204 mi = 3,546.20 kms