There are
2,396 mi
from San Mateo, CA to Xenia, OH
That's the driving distance. It would take 1 day 18 hours to go from San Mateo, California to Xenia, Ohio.
The flight distance (direct flight from San Mateo, CA to Xenia, OH) is 2,062 mi.
2,396 mi = 3.22 kms