Miles between San Marcos, CA and Prospect Heights, IL

There are
2,050 mi
from San Marcos, CA to Prospect Heights, IL

That's the driving distance. It would take 1 day 12 hours to go from San Marcos, California to Prospect Heights, Illinois.

The flight distance (direct flight from San Marcos, CA to Prospect Heights, IL) is 1,704.65 mi.

2,050 mi = 3.22 kms