There are
1,745 mi
from San Mateo, CA to Greenville, TX
That's the driving distance. It would take 1 day 7 hours to go from San Mateo, California to Greenville, Texas.
The flight distance (direct flight from San Mateo, CA to Greenville, TX) is 1,503.45 mi.
1,745 mi = 1.61 kms