There are
2,462 mi
from San Mateo, CA to Avon Lake, OH
That's the driving distance. It would take 1 day 18 hours to go from San Mateo, California to Avon Lake, Ohio.
The flight distance (direct flight from San Mateo, CA to Avon Lake, OH) is 2,145.02 mi.
2,462 mi = 3.22 kms