Miles between Sioux City, IA and Romeoville, IL

There are
515 mi
from Sioux City, IA to Romeoville, IL

That's the driving distance. It would take 9 hours 27 mins to go from Sioux City, Iowa to Romeoville, Illinois.

The flight distance (direct flight from Sioux City, IA to Romeoville, IL) is 430.11 mi.

515 mi = 828.87 kms