There are
1,056 mi
from Sioux City, IA to Freeport, TX
That's the driving distance. It would take 18 hours 56 mins to go from Sioux City, Iowa to Freeport, Texas.
The flight distance (direct flight from Sioux City, IA to Freeport, TX) is 937.73 mi.
1,056 mi = 1.61 kms