Miles between Dumas, TX and Thornton, CO

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

That's the driving distance. It would take 7 hours 12 mins to go from Dumas, Texas to Thornton, Colorado.

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

376 mi = 604.58 kms