There are
1,631 mi
from Flower Mound, TX to Poughkeepsie, NY
That's the driving distance. It would take 1 day 5 hours to go from Flower Mound, Texas to Poughkeepsie, New York.
The flight distance (direct flight from Flower Mound, TX to Poughkeepsie, NY) is 1,401.24 mi.
1,631 mi = 1.61 kms