There are
989 mi
from Sioux City, IA to West Valley City, UT
That's the driving distance. It would take 17 hours 13 mins to go from Sioux City, Iowa to West Valley City, Utah.
The flight distance (direct flight from Sioux City, IA to West Valley City, UT) is 814.53 mi.
989 mi = 1,591.04 kms