There are
1,855 mi
from San Mateo, CA to Robstown, TX
That's the driving distance. It would take 1 day 8 hours to go from San Mateo, California to Robstown, Texas.
The flight distance (direct flight from San Mateo, CA to Robstown, TX) is 1,578.53 mi.
1,855 mi = 1.61 kms