There are
512 mi
from Sioux City, IA to New Lenox, IL
That's the driving distance. It would take 9 hours 22 mins to go from Sioux City, Iowa to New Lenox, Illinois.
The flight distance (direct flight from Sioux City, IA to New Lenox, IL) is 438.21 mi.
512 mi = 824.27 kms