There are
531 mi
from Flower Mound, TX to Leavenworth, KS
That's the driving distance. It would take 9 hours 23 mins to go from Flower Mound, Texas to Leavenworth, Kansas.
The flight distance (direct flight from Flower Mound, TX to Leavenworth, KS) is 451.60 mi.
531 mi = 854.13 kms