There are
1,700 mi
from San Mateo, CA to Forest Hill, TX
That's the driving distance. It would take 1 day 6 hours to go from San Mateo, California to Forest Hill, Texas.
The flight distance (direct flight from San Mateo, CA to Forest Hill, TX) is 1,451.16 mi.
1,700 mi = 2,736.23 kms