There are
2,481 mi
from San Mateo, CA to Alpharetta, GA
That's the driving distance. It would take 1 day 19 hours to go from San Mateo, California to Alpharetta, Georgia.
The flight distance (direct flight from San Mateo, CA to Alpharetta, GA) is 2,129.81 mi.
2,481 mi = 3,992.26 kms