There are
1,004 mi
from Sioux City, IA to Lehi, UT
That's the driving distance. It would take 17 hours 30 mins to go from Sioux City, Iowa to Lehi, Utah.
The flight distance (direct flight from Sioux City, IA to Lehi, UT) is 812.16 mi.
1,004 mi = 1.61 kms