There are
88 mi
from Sioux Falls, SD to Sioux City, IA
That's the driving distance. It would take 1 hour 31 mins to go from Sioux Falls, South Dakota to Sioux City, Iowa.
The flight distance (direct flight from Sioux Falls, SD to Sioux City, IA) is 74.11 mi.
88 mi = 140.83 kms