There are
542 mi
from Sioux City, IA to Fairview Heights, IL
That's the driving distance. It would take 10 hours 11 mins to go from Sioux City, Iowa to Fairview Heights, Illinois.
The flight distance (direct flight from Sioux City, IA to Fairview Heights, IL) is 431.39 mi.
542 mi = 871.99 kms