There are
553 mi
from Sioux City, IA to Rantoul, IL
That's the driving distance. It would take 10 hours 12 mins to go from Sioux City, Iowa to Rantoul, Illinois.
The flight distance (direct flight from Sioux City, IA to Rantoul, IL) is 453.07 mi.
553 mi = 890.13 kms