Miles between San Marcos, CA and Glen Carbon, IL

There are
1,868 mi
from San Marcos, CA to Glen Carbon, IL

That's the driving distance. It would take 1 day 8 hours to go from San Marcos, California to Glen Carbon, Illinois.

The flight distance (direct flight from San Marcos, CA to Glen Carbon, IL) is 1,562.69 mi.

1,868 mi = 1.61 kms