There are
418 mi
from Sioux City, IA to Kewanee, IL
That's the driving distance. It would take 7 hours 44 mins to go from Sioux City, Iowa to Kewanee, Illinois.
The flight distance (direct flight from Sioux City, IA to Kewanee, IL) is 344.15 mi.
418 mi = 672.40 kms