Miles between Lewisville, TX and Alton, IL

There are
640 mi
from Lewisville, TX to Alton, IL

That's the driving distance. It would take 12 hours 9 mins to go from Lewisville, Texas to Alton, Illinois.

The flight distance (direct flight from Lewisville, TX to Alton, IL) is 554.70 mi.

640 mi = 1,029.45 kms