There are
451 mi
from Schaumburg, IL to Sioux City, IA
That's the driving distance. It would take 9 hours 15 mins to go from Schaumburg, Illinois to Sioux City, Iowa.
The flight distance (direct flight from Schaumburg, IL to Sioux City, IA) is 426.30 mi.
451 mi = 726.46 kms