There are
2,041 mi
from Buena Park, CA to Waukesha, WI
That's the driving distance. It would take 1 day 11 hours to go from Buena Park, California to Waukesha, Wisconsin.
The flight distance (direct flight from Buena Park, CA to Waukesha, WI) is 1,719.13 mi.
2,041 mi = 3.22 kms