There are
444 mi
from Sioux City, IA to Algonquin, IL
That's the driving distance. It would take 9 hours 4 mins to go from Sioux City, Iowa to Algonquin, Illinois.
The flight distance (direct flight from Sioux City, IA to Algonquin, IL) is 414.52 mi.
444 mi = 714.71 kms