There are
1,483 mi
from Flower Mound, TX to Lansdowne, PA
That's the driving distance. It would take 1 day 3 hours to go from Flower Mound, Texas to Lansdowne, Pennsylvania.
The flight distance (direct flight from Flower Mound, TX to Lansdowne, PA) is 1,299.26 mi.
1,483 mi = 2,385.86 kms