There are
915 mi
from Flower Mound, TX to Hickory Hills, IL
That's the driving distance. It would take 17 hours 11 mins to go from Flower Mound, Texas to Hickory Hills, Illinois.
The flight distance (direct flight from Flower Mound, TX to Hickory Hills, IL) is 787.32 mi.
915 mi = 1,472.71 kms