There are
1,347 mi
from Sioux City, IA to Norwalk, CT
That's the driving distance. It would take 1 day 1 hour to go from Sioux City, Iowa to Norwalk, Connecticut.
The flight distance (direct flight from Sioux City, IA to Norwalk, CT) is 1,184.32 mi.
1,347 mi = 1.61 kms