There are
320 mi
from Champaign, IL to Neenah, WI
That's the driving distance. It would take 6 hours 8 mins to go from Champaign, Illinois to Neenah, Wisconsin.
The flight distance (direct flight from Champaign, IL to Neenah, WI) is 281.39 mi.
320 mi = 514.99 kms