There are
1,133 mi
from Flower Mound, TX to Marietta, OH
That's the driving distance. It would take 20 hours 30 mins to go from Flower Mound, Texas to Marietta, Ohio.
The flight distance (direct flight from Flower Mound, TX to Marietta, OH) is 975.81 mi.
1,133 mi = 1.61 kms