There are
2,173 mi
from Walnut Creek, CA to Appleton, WI
That's the driving distance. It would take 1 day 14 hours to go from Walnut Creek, California to Appleton, Wisconsin.
The flight distance (direct flight from Walnut Creek, CA to Appleton, WI) is 1,793 mi.
2,173 mi = 3,496.40 kms