There are
2,320 mi
from San Mateo, CA to Gardendale, AL
That's the driving distance. It would take 1 day 16 hours to go from San Mateo, California to Gardendale, Alabama.
The flight distance (direct flight from San Mateo, CA to Gardendale, AL) is 2,001.01 mi.
2,320 mi = 3.22 kms