There are
2,177 mi
from San Marcos, CA to Kalamazoo, MI
That's the driving distance. It would take 1 day 14 hours to go from San Marcos, California to Kalamazoo, Michigan.
The flight distance (direct flight from San Marcos, CA to Kalamazoo, MI) is 1,825.39 mi.
2,177 mi = 3.22 kms