There are
1,445 mi
from Porterville, CA to Gainesville, TX
That's the driving distance. It would take 1 day 1 hour to go from Porterville, California to Gainesville, Texas.
The flight distance (direct flight from Porterville, CA to Gainesville, TX) is 1,249.61 mi.
1,445 mi = 2,326.17 kms