There are
860 mi
from Sioux City, IA to Westerville, OH
That's the driving distance. It would take 15 hours 57 mins to go from Sioux City, Iowa to Westerville, Ohio.
The flight distance (direct flight from Sioux City, IA to Westerville, OH) is 717.25 mi.
860 mi = 1,383.57 kms