Miles between Flower Mound, TX and Cahokia, IL

There are
636 mi
from Flower Mound, TX to Cahokia, IL

That's the driving distance. It would take 11 hours 59 mins to go from Flower Mound, Texas to Cahokia, Illinois.

The flight distance (direct flight from Flower Mound, TX to Cahokia, IL) is 544.85 mi.

636 mi = 1,023.41 kms