There are
1,010 mi
from Flower Mound, TX to Dayton, OH
That's the driving distance. It would take 18 hours 12 mins to go from Flower Mound, Texas to Dayton, Ohio.
The flight distance (direct flight from Flower Mound, TX to Dayton, OH) is 854.45 mi.
1,010 mi = 1.61 kms