There are
2,052 mi
from Appleton, WI to Walnut, CA
That's the driving distance. It would take 1 day 12 hours to go from Appleton, Wisconsin to Walnut, California.
The flight distance (direct flight from Appleton, WI to Walnut, CA) is 1,717.36 mi.
2,052 mi = 3.22 kms