There are
2,060 mi
from San Marcos, CA to Lindenhurst, IL
That's the driving distance. It would take 1 day 12 hours to go from San Marcos, California to Lindenhurst, Illinois.
The flight distance (direct flight from San Marcos, CA to Lindenhurst, IL) is 1,704.75 mi.
2,060 mi = 3.22 kms