Miles between San Marcos, CA and Springfield, IL

There are
1,946 mi
from San Marcos, CA to Springfield, IL

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

The flight distance (direct flight from San Marcos, CA to Springfield, IL) is 1,589.10 mi.

1,946 mi = 1.61 kms