There are
236 mi
from Champaign, IL to Stoughton, WI
That's the driving distance. It would take 4 hours 27 mins to go from Champaign, Illinois to Stoughton, Wisconsin.
The flight distance (direct flight from Champaign, IL to Stoughton, WI) is 199.95 mi.
236 mi = 380.43 kms