There are
335 mi
from Champaign, IL to Kaukauna, WI
That's the driving distance. It would take 6 hours 28 mins to go from Champaign, Illinois to Kaukauna, Wisconsin.
The flight distance (direct flight from Champaign, IL to Kaukauna, WI) is 287.54 mi.
335 mi = 538.40 kms