There are
1,685 mi
from Flower Mound, TX to San Ramon, CA
That's the driving distance. It would take 1 day 6 hours to go from Flower Mound, Texas to San Ramon, California.
The flight distance (direct flight from Flower Mound, TX to San Ramon, CA) is 1,434.87 mi.
1,685 mi = 1.61 kms