There are
1,680 mi
from Denton, TX to San Mateo, CA
That's the driving distance. It would take 1 day 5 hours to go from Denton, Texas to San Mateo, California.
The flight distance (direct flight from Denton, TX to San Mateo, CA) is 1,445.87 mi.
1,680 mi = 2,704.48 kms