There are
1,405 mi
from Flower Mound, TX to Montebello, CA
That's the driving distance. It would take 1 day to go from Flower Mound, Texas to Montebello, California.
The flight distance (direct flight from Flower Mound, TX to Montebello, CA) is 1,210.55 mi.
1,405 mi = 2,260.85 kms