There are
1,599 mi
from Flower Mound, TX to Watertown, NY
That's the driving distance. It would take 1 day 5 hours to go from Flower Mound, Texas to Watertown, New York.
The flight distance (direct flight from Flower Mound, TX to Watertown, NY) is 1,366.97 mi.
1,599 mi = 1.61 kms