There are
1,038 mi
from Flower Mound, TX to Piqua, OH
That's the driving distance. It would take 18 hours 45 mins to go from Flower Mound, Texas to Piqua, Ohio.
The flight distance (direct flight from Flower Mound, TX to Piqua, OH) is 865.38 mi.
1,038 mi = 1.61 kms