There are
1,956 mi
from Pharr, TX to San Mateo, CA
That's the driving distance. It would take 1 day 10 hours to go from Pharr, Texas to San Mateo, California.
The flight distance (direct flight from Pharr, TX to San Mateo, CA) is 1,612.67 mi.
1,956 mi = 3,147.61 kms