There are
2,165 mi
from Appleton, WI to Clearlake, CA
That's the driving distance. It would take 1 day 14 hours to go from Appleton, Wisconsin to Clearlake, California.
The flight distance (direct flight from Appleton, WI to Clearlake, CA) is 1,791.27 mi.
2,165 mi = 3.22 kms