There are
997 mi
from Sioux City, IA to Payson, UT
That's the driving distance. It would take 17 hours 49 mins to go from Sioux City, Iowa to Payson, Utah.
The flight distance (direct flight from Sioux City, IA to Payson, UT) is 812.83 mi.
997 mi = 1,604.43 kms