There are
1,651 mi
from San Marcos, CA to Ozark, MO
That's the driving distance. It would take 1 day 4 hours to go from San Marcos, California to Ozark, Missouri.
The flight distance (direct flight from San Marcos, CA to Ozark, MO) is 1,377.09 mi.
1,651 mi = 1.61 kms