There are
263 mi
from Sioux City, IA to Leavenworth, KS
That's the driving distance. It would take 4 hours 54 mins to go from Sioux City, Iowa to Leavenworth, Kansas.
The flight distance (direct flight from Sioux City, IA to Leavenworth, KS) is 233.44 mi.
263 mi = 423.92 kms