There are
2,024 mi
from San Marcos, CA to Hanover Park, IL
That's the driving distance. It would take 1 day 11 hours to go from San Marcos, California to Hanover Park, Illinois.
The flight distance (direct flight from San Marcos, CA to Hanover Park, IL) is 1,692.88 mi.
2,024 mi = 3.22 kms