There are
702 mi
from Sioux City, IA to Sulphur Springs, TX
That's the driving distance. It would take 13 hours 33 mins to go from Sioux City, Iowa to Sulphur Springs, Texas.
The flight distance (direct flight from Sioux City, IA to Sulphur Springs, TX) is 648.28 mi.
702 mi = 1,129.06 kms