There are
1,413 mi
from Flower Mound, TX to San Dimas, CA
That's the driving distance. It would take 1 day to go from Flower Mound, Texas to San Dimas, California.
The flight distance (direct flight from Flower Mound, TX to San Dimas, CA) is 1,192.74 mi.
1,413 mi = 1.61 kms