Miles between Allen, TX and Thornton, CO

There are
790 mi
from Allen, TX to Thornton, CO

That's the driving distance. It would take 14 hours 39 mins to go from Allen, Texas to Thornton, Colorado.

The flight distance (direct flight from Allen, TX to Thornton, CO) is 656.01 mi.

790 mi = 1,270.86 kms