There are
80 mi
from Rockford, IL to Waukesha, WI
That's the driving distance. It would take 1 hour 44 mins to go from Rockford, Illinois to Waukesha, Wisconsin.
The flight distance (direct flight from Rockford, IL to Waukesha, WI) is 67.38 mi.
80 mi = 128.17 kms