There are
100 mi
from Sioux City, IA to Omaha, NE
That's the driving distance. It would take 1 hour 56 mins to go from Sioux City, Iowa to Omaha, Nebraska.
The flight distance (direct flight from Sioux City, IA to Omaha, NE) is 88.65 mi.
100 mi = 161.42 kms