Miles between Allen, TX and Decatur, IL

There are
723 mi
from Allen, TX to Decatur, IL

That's the driving distance. It would take 13 hours 44 mins to go from Allen, Texas to Decatur, Illinois.

The flight distance (direct flight from Allen, TX to Decatur, IL) is 632.30 mi.

723 mi = 1,163.17 kms