There are
1,727 mi
from Garland, TX to San Mateo, CA
That's the driving distance. It would take 1 day 6 hours to go from Garland, Texas to San Mateo, California.
The flight distance (direct flight from Garland, TX to San Mateo, CA) is 1,479.81 mi.
1,727 mi = 1.61 kms