There are
2,120 mi
from Walnut Creek, CA to Fort Atkinson, WI
That's the driving distance. It would take 1 day 12 hours to go from Walnut Creek, California to Fort Atkinson, Wisconsin.
The flight distance (direct flight from Walnut Creek, CA to Fort Atkinson, WI) is 1,769.98 mi.
2,120 mi = 3,411.06 kms