Miles between Thornton, CO and Sioux City, IA

There are
583 mi
from Thornton, CO to Sioux City, IA

That's the driving distance. It would take 10 hours 33 mins to go from Thornton, Colorado to Sioux City, Iowa.

The flight distance (direct flight from Thornton, CO to Sioux City, IA) is 481.11 mi.

583 mi = 938.39 kms