There are
508 mi
from Sioux City, IA to Crest Hill, IL
That's the driving distance. It would take 9 hours 19 mins to go from Sioux City, Iowa to Crest Hill, Illinois.
The flight distance (direct flight from Sioux City, IA to Crest Hill, IL) is 430.87 mi.
508 mi = 817.63 kms