There are
466 mi
from Sioux City, IA to Elmhurst, IL
That's the driving distance. It would take 9 hours 27 mins to go from Sioux City, Iowa to Elmhurst, Illinois.
The flight distance (direct flight from Sioux City, IA to Elmhurst, IL) is 434.82 mi.
466 mi = 749.79 kms