Miles between Allen, TX and Calera, AL

There are
656 mi
from Allen, TX to Calera, AL

That's the driving distance. It would take 12 hours 3 mins to go from Allen, Texas to Calera, Alabama.

The flight distance (direct flight from Allen, TX to Calera, AL) is 573.76 mi.

656 mi = 1,056.48 kms