There are
1,647 mi
from Porterville, CA to Robstown, TX
That's the driving distance. It would take 1 day 4 hours to go from Porterville, California to Robstown, Texas.
The flight distance (direct flight from Porterville, CA to Robstown, TX) is 1,372.23 mi.
1,647 mi = 2,650.42 kms