There are
1,695 mi
from Flower Mound, TX to San Mateo, CA
That's the driving distance. It would take 1 day 6 hours to go from Flower Mound, Texas to San Mateo, California.
The flight distance (direct flight from Flower Mound, TX to San Mateo, CA) is 1,452.43 mi.
1,695 mi = 2,728.10 kms