There are
814 mi
from Sioux City, IA to Norwalk, OH
That's the driving distance. It would take 15 hours 2 mins to go from Sioux City, Iowa to Norwalk, Ohio.
The flight distance (direct flight from Sioux City, IA to Norwalk, OH) is 713.71 mi.
814 mi = 1,310.31 kms