There are
2,374 mi
from San Mateo, CA to Trotwood, OH
That's the driving distance. It would take 1 day 17 hours to go from San Mateo, California to Trotwood, Ohio.
The flight distance (direct flight from San Mateo, CA to Trotwood, OH) is 2,040.82 mi.
2,374 mi = 3.22 kms