There are
1,545 mi
from Porterville, CA to Seguin, TX
That's the driving distance. It would take 1 day 2 hours to go from Porterville, California to Seguin, Texas.
The flight distance (direct flight from Porterville, CA to Seguin, TX) is 1,298.93 mi.
1,545 mi = 2,486.03 kms