Miles between Thornton, CO and Duncanville, TX

There are
789 mi
from Thornton, CO to Duncanville, TX

That's the driving distance. It would take 14 hours 41 mins to go from Thornton, Colorado to Duncanville, Texas.

The flight distance (direct flight from Thornton, CO to Duncanville, TX) is 670.53 mi.

789 mi = 1,270.28 kms