There are
913 mi
from Flower Mound, TX to Martinsville, IN
That's the driving distance. It would take 16 hours 7 mins to go from Flower Mound, Texas to Martinsville, Indiana.
The flight distance (direct flight from Flower Mound, TX to Martinsville, IN) is 740.72 mi.
913 mi = 1,469.25 kms