There are
2,261 mi
from San Marcos, CA to Worthington, OH
That's the driving distance. It would take 1 day 16 hours to go from San Marcos, California to Worthington, Ohio.
The flight distance (direct flight from San Marcos, CA to Worthington, OH) is 1,940.76 mi.
2,261 mi = 3,638.04 kms