There are
748 mi
from Sioux City, IA to Olive Branch, MS
That's the driving distance. It would take 14 hours 35 mins to go from Sioux City, Iowa to Olive Branch, Mississippi.
The flight distance (direct flight from Sioux City, IA to Olive Branch, MS) is 629.38 mi.
748 mi = 1,203.14 kms