There are
100 mi
from Omaha, NE to Sioux City, IA

That's the driving distance. It would take 1 hour 56 mins to go from Omaha, Nebraska to Sioux City, Iowa.

The flight distance (direct flight from Omaha, NE to Sioux City, IA) is 88.65 mi.

100 mi = 161.50 kms