There are
2,322 mi
from Hoover, AL to San Mateo, CA
That's the driving distance. It would take 1 day 16 hours to go from Hoover, Alabama to San Mateo, California.
The flight distance (direct flight from Hoover, AL to San Mateo, CA) is 2,006.60 mi.
2,322 mi = 3,736.08 kms