There are
539 mi
from Sioux City, IA to Muskogee, OK
That's the driving distance. It would take 10 hours 6 mins to go from Sioux City, Iowa to Muskogee, Oklahoma.
The flight distance (direct flight from Sioux City, IA to Muskogee, OK) is 469.77 mi.
539 mi = 868.19 kms