There are
844 mi
from Sioux City, IA to Avon Lake, OH
That's the driving distance. It would take 15 hours 34 mins to go from Sioux City, Iowa to Avon Lake, Ohio.
The flight distance (direct flight from Sioux City, IA to Avon Lake, OH) is 740.22 mi.
844 mi = 1,359.07 kms