Miles between Sioux City, IA and Lemont, IL

There are
521 mi
from Sioux City, IA to Lemont, IL

That's the driving distance. It would take 9 hours 35 mins to go from Sioux City, Iowa to Lemont, Illinois.

The flight distance (direct flight from Sioux City, IA to Lemont, IL) is 434.23 mi.

521 mi = 838.63 kms