There are
2,091 mi
from San Clemente, CA to Appleton, WI
That's the driving distance. It would take 1 day 13 hours to go from San Clemente, California to Appleton, Wisconsin.
The flight distance (direct flight from San Clemente, CA to Appleton, WI) is 1,728 mi.
2,091 mi = 3,365.50 kms