There are
1,687 mi
from Flower Mound, TX to San Leandro, CA
That's the driving distance. It would take 1 day 5 hours to go from Flower Mound, Texas to San Leandro, California.
The flight distance (direct flight from Flower Mound, TX to San Leandro, CA) is 1,444.18 mi.
1,687 mi = 2,715.54 kms