There are
400 mi
from Sioux City, IA to Wichita, KS
That's the driving distance. It would take 7 hours 21 mins to go from Sioux City, Iowa to Wichita, Kansas.
The flight distance (direct flight from Sioux City, IA to Wichita, KS) is 336.07 mi.
400 mi = 643.35 kms