There are
2,116 mi
from San Marcos, CA to Noblesville, IN
That's the driving distance. It would take 1 day 13 hours to go from San Marcos, California to Noblesville, Indiana.
The flight distance (direct flight from San Marcos, CA to Noblesville, IN) is 1,782.87 mi.
2,116 mi = 3.22 kms