There are
839 mi
from Sioux City, IA to Frankfort, KY
That's the driving distance. It would take 15 hours 18 mins to go from Sioux City, Iowa to Frankfort, Kentucky.
The flight distance (direct flight from Sioux City, IA to Frankfort, KY) is 674.96 mi.
839 mi = 1,350.28 kms