There are
2,149 mi
from San Marcos, CA to Calhoun, GA
That's the driving distance. It would take 1 day 13 hours to go from San Marcos, California to Calhoun, Georgia.
The flight distance (direct flight from San Marcos, CA to Calhoun, GA) is 1,843.72 mi.
2,149 mi = 3.22 kms