Miles between Thornton, CO and Yankton, SD

There are
540 mi
from Thornton, CO to Yankton, SD

That's the driving distance. It would take 9 hours 57 mins to go from Thornton, Colorado to Yankton, South Dakota.

The flight distance (direct flight from Thornton, CO to Yankton, SD) is 443.96 mi.

540 mi = 868.58 kms