There are
1,728 mi
from Baytown, TX to Porterville, CA
That's the driving distance. It would take 1 day 5 hours to go from Baytown, Texas to Porterville, California.
The flight distance (direct flight from Baytown, TX to Porterville, CA) is 1,457.10 mi.
1,728 mi = 2,780.89 kms