There are
2,078 mi
from San Marcos, CA to Crawfordsville, IN
That's the driving distance. It would take 1 day 13 hours to go from San Marcos, California to Crawfordsville, Indiana.
The flight distance (direct flight from San Marcos, CA to Crawfordsville, IN) is 1,737.28 mi.
2,078 mi = 3.22 kms