Miles between Boulder, CO and Decatur, AL

There are
1,302 mi
from Boulder, CO to Decatur, AL

That's the driving distance. It would take 22 hours 54 mins to go from Boulder, Colorado to Decatur, Alabama.

The flight distance (direct flight from Boulder, CO to Decatur, AL) is 1,069.79 mi.

1,302 mi = 1.61 kms