Miles between Garland, TX and Alton, IL

There are
639 mi
from Garland, TX to Alton, IL

That's the driving distance. It would take 12 hours 8 mins to go from Garland, Texas to Alton, Illinois.

The flight distance (direct flight from Garland, TX to Alton, IL) is 548.41 mi.

639 mi = 1,029.09 kms