There are
2,560 mi
from Porterville, CA to Dunkirk, NY
That's the driving distance. It would take 1 day 21 hours to go from Porterville, California to Dunkirk, New York.
The flight distance (direct flight from Porterville, CA to Dunkirk, NY) is 2,147.98 mi.
2,560 mi = 4,120.30 kms