Miles between San Marcos, CA and Mt Vernon, IL

There are
1,929 mi
from San Marcos, CA to Mt Vernon, IL

That's the driving distance. It would take 1 day 9 hours to go from San Marcos, California to Mt Vernon, Illinois.

The flight distance (direct flight from San Marcos, CA to Mt Vernon, IL) is 1,618.25 mi.

1,929 mi = 1.61 kms