There are
350 mi
from Waukesha, WI to Centralia, IL
That's the driving distance. It would take 6 hours 49 mins to go from Waukesha, Wisconsin to Centralia, Illinois.
The flight distance (direct flight from Waukesha, WI to Centralia, IL) is 313.57 mi.
350 mi = 562.67 kms