Miles between Thornton, CO and Sioux Falls, SD

There are
622 mi
from Thornton, CO to Sioux Falls, SD

That's the driving distance. It would take 11 hours 31 mins to go from Thornton, Colorado to Sioux Falls, South Dakota.

The flight distance (direct flight from Thornton, CO to Sioux Falls, SD) is 496.39 mi.

622 mi = 1,000.38 kms