There are
2,443 mi
from San Mateo, CA to Douglasville, GA
That's the driving distance. It would take 1 day 19 hours to go from San Mateo, California to Douglasville, Georgia.
The flight distance (direct flight from San Mateo, CA to Douglasville, GA) is 2,111.92 mi.
2,443 mi = 3.22 kms