There are
197 mi
from Rancho Cucamonga, CA to Porterville, CA
That's the driving distance. It would take 3 hours 47 mins to go from Rancho Cucamonga, California to Porterville, California.
The flight distance (direct flight from Rancho Cucamonga, CA to Porterville, CA) is 157.47 mi.
197 mi = 316.32 kms