Miles between San Marcos, CA and Mt Prospect, IL

There are
2,047 mi
from San Marcos, CA to Mt Prospect, IL

That's the driving distance. It would take 1 day 11 hours to go from San Marcos, California to Mt Prospect, Illinois.

The flight distance (direct flight from San Marcos, CA to Mt Prospect, IL) is 1,704.26 mi.

2,047 mi = 3.22 kms