There are
1,938 mi
from San Mateo, CA to Baytown, TX
That's the driving distance. It would take 1 day 9 hours to go from San Mateo, California to Baytown, Texas.
The flight distance (direct flight from San Mateo, CA to Baytown, TX) is 1,656.26 mi.
1,938 mi = 1.61 kms