There are
2,966 mi
from Porterville, CA to Holyoke, MA
That's the driving distance. It would take 2 days 5 hours to go from Porterville, California to Holyoke, Massachusetts.
The flight distance (direct flight from Porterville, CA to Holyoke, MA) is 2,491.46 mi.
2,966 mi = 4,773.59 kms