There are
868 mi
from Sioux City, IA to Sweetwater, TX
That's the driving distance. It would take 15 hours 43 mins to go from Sioux City, Iowa to Sweetwater, Texas.
The flight distance (direct flight from Sioux City, IA to Sweetwater, TX) is 726.67 mi.
868 mi = 1,397.00 kms