There are
703 mi
from Flower Mound, TX to Sylacauga, AL
That's the driving distance. It would take 12 hours 55 mins to go from Flower Mound, Texas to Sylacauga, Alabama.
The flight distance (direct flight from Flower Mound, TX to Sylacauga, AL) is 627.60 mi.
703 mi = 1,132.07 kms