Miles between San Marcos, CA and Mattoon, IL

There are
1,979 mi
from San Marcos, CA to Mattoon, IL

That's the driving distance. It would take 1 day 10 hours to go from San Marcos, California to Mattoon, Illinois.

The flight distance (direct flight from San Marcos, CA to Mattoon, IL) is 1,653.95 mi.

1,979 mi = 1.61 kms