There are
2,297 mi
from Huntsville, AL to San Mateo, CA
That's the driving distance. It would take 1 day 16 hours to go from Huntsville, Alabama to San Mateo, California.
The flight distance (direct flight from Huntsville, AL to San Mateo, CA) is 1,991.64 mi.
2,297 mi = 3.22 kms