There are
855 mi
from Parma, OH to Sioux City, IA
That's the driving distance. It would take 15 hours 44 mins to go from Parma, Ohio to Sioux City, Iowa.
The flight distance (direct flight from Parma, OH to Sioux City, IA) is 757.02 mi.
855 mi = 1,375.34 kms