Miles between Boulder, CO and Calera, AL

There are
1,379 mi
from Boulder, CO to Calera, AL

That's the driving distance. It would take 23 hours 55 mins to go from Boulder, Colorado to Calera, Alabama.

The flight distance (direct flight from Boulder, CO to Calera, AL) is 1,130.29 mi.

1,379 mi = 1.61 kms