There are
1,625 mi
from Flower Mound, TX to Lake Grove, NY
That's the driving distance. It would take 1 day 6 hours to go from Flower Mound, Texas to Lake Grove, New York.
The flight distance (direct flight from Flower Mound, TX to Lake Grove, NY) is 1,425.07 mi.
1,625 mi = 1.61 kms