There are
2,045 mi
from Lake Forest, CA to Waukesha, WI
That's the driving distance. It would take 1 day 11 hours to go from Lake Forest, California to Waukesha, Wisconsin.
The flight distance (direct flight from Lake Forest, CA to Waukesha, WI) is 1,711.61 mi.
2,045 mi = 3.22 kms