There are
831 mi
from Sioux City, IA to Nacogdoches, TX
That's the driving distance. It would take 16 hours 6 mins to go from Sioux City, Iowa to Nacogdoches, Texas.
The flight distance (direct flight from Sioux City, IA to Nacogdoches, TX) is 758.95 mi.
831 mi = 1,338.09 kms