Miles between San Marcos, CA and Effingham, IL

There are
1,951 mi
from San Marcos, CA to Effingham, IL

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

The flight distance (direct flight from San Marcos, CA to Effingham, IL) is 1,642.27 mi.

1,951 mi = 1.61 kms