There are
2,403 mi
from San Marcos, CA to Huntersville, NC
That's the driving distance. It would take 1 day 18 hours to go from San Marcos, California to Huntersville, North Carolina.
The flight distance (direct flight from San Marcos, CA to Huntersville, NC) is 2,068.13 mi.
2,403 mi = 3.22 kms