There are
1,996 mi
from Riverside, CA to Pewaukee, WI
That's the driving distance. It would take 1 day 11 hours to go from Riverside, California to Pewaukee, Wisconsin.
The flight distance (direct flight from Riverside, CA to Pewaukee, WI) is 1,687.68 mi.
1,996 mi = 1.61 kms