There are
1,053 mi
from Flower Mound, TX to New Haven, IN
That's the driving distance. It would take 18 hours 48 mins to go from Flower Mound, Texas to New Haven, Indiana.
The flight distance (direct flight from Flower Mound, TX to New Haven, IN) is 866.75 mi.
1,053 mi = 1.61 kms