Miles between Allen, TX and Greeley, CO

There are
829 mi
from Allen, TX to Greeley, CO

That's the driving distance. It would take 15 hours 20 mins to go from Allen, Texas to Greeley, Colorado.

The flight distance (direct flight from Allen, TX to Greeley, CO) is 673.01 mi.

829 mi = 1,333.35 kms