There are
2,050 mi
from Fullerton, CA to South Milwaukee, WI
That's the driving distance. It would take 1 day 12 hours to go from Fullerton, California to South Milwaukee, Wisconsin.
The flight distance (direct flight from Fullerton, CA to South Milwaukee, WI) is 1,732.43 mi.
2,050 mi = 3,298.36 kms