There are
2,439 mi
from San Mateo, CA to Hilliard, OH
That's the driving distance. It would take 1 day 18 hours to go from San Mateo, California to Hilliard, Ohio.
The flight distance (direct flight from San Mateo, CA to Hilliard, OH) is 2,099.04 mi.
2,439 mi = 3.22 kms