Miles between Allen, TX and Alton, IL

There are
622 mi
from Allen, TX to Alton, IL

That's the driving distance. It would take 11 hours 47 mins to go from Allen, Texas to Alton, Illinois.

The flight distance (direct flight from Allen, TX to Alton, IL) is 539.46 mi.

622 mi = 1,001.72 kms