Miles between Thornton, CO and Dumas, TX

There are
376 mi
from Thornton, CO to Dumas, TX

That's the driving distance. It would take 7 hours 13 mins to go from Thornton, Colorado to Dumas, Texas.

The flight distance (direct flight from Thornton, CO to Dumas, TX) is 321.25 mi.

376 mi = 604.98 kms