There are
2,275 mi
from San Marcos, CA to Whitehall, OH
That's the driving distance. It would take 1 day 16 hours to go from San Marcos, California to Whitehall, Ohio.
The flight distance (direct flight from San Marcos, CA to Whitehall, OH) is 1,947.26 mi.
2,275 mi = 3.22 kms