There are
940 mi
from Norwalk, CT to Fort Atkinson, WI
That's the driving distance. It would take 18 hours 4 mins to go from Norwalk, Connecticut to Fort Atkinson, Wisconsin.
The flight distance (direct flight from Norwalk, CT to Fort Atkinson, WI) is 800.60 mi.
940 mi = 1,512.44 kms