Miles between Chicago, IL and San Marcos, CA

There are
2,049 mi
from Chicago, IL to San Marcos, CA

That's the driving distance. It would take 1 day 11 hours to go from Chicago, Illinois to San Marcos, California.

The flight distance (direct flight from Chicago, IL to San Marcos, CA) is 1,717.22 mi.

2,049 mi = 3.22 kms