There are
746 mi
from Sioux City, IA to Colleyville, TX
That's the driving distance. It would take 13 hours 24 mins to go from Sioux City, Iowa to Colleyville, Texas.
The flight distance (direct flight from Sioux City, IA to Colleyville, TX) is 665.88 mi.
746 mi = 1,201.24 kms