There are
1,197 mi
from Flower Mound, TX to Dearborn, MI
That's the driving distance. It would take 21 hours 42 mins to go from Flower Mound, Texas to Dearborn, Michigan.
The flight distance (direct flight from Flower Mound, TX to Dearborn, MI) is 994.28 mi.
1,197 mi = 1.61 kms