There are
2,046 mi
from San Clemente, CA to Pewaukee, WI
That's the driving distance. It would take 1 day 12 hours to go from San Clemente, California to Pewaukee, Wisconsin.
The flight distance (direct flight from San Clemente, CA to Pewaukee, WI) is 1,717.04 mi.
2,046 mi = 3,292.65 kms