There are
2,283 mi
from San Marcos, CA to Pickerington, OH
That's the driving distance. It would take 1 day 16 hours to go from San Marcos, California to Pickerington, Ohio.
The flight distance (direct flight from San Marcos, CA to Pickerington, OH) is 1,953.95 mi.
2,283 mi = 3.22 kms