Miles between Flower Mound, TX and East St Louis, IL

There are
636 mi
from Flower Mound, TX to East St Louis, IL

That's the driving distance. It would take 12 hours 1 min to go from Flower Mound, Texas to East St Louis, Illinois.

The flight distance (direct flight from Flower Mound, TX to East St Louis, IL) is 549.41 mi.

636 mi = 1,023.60 kms