There are
2,084 mi
from Porterville, CA to Rantoul, IL
That's the driving distance. It would take 1 day 12 hours to go from Porterville, California to Rantoul, Illinois.
The flight distance (direct flight from Porterville, CA to Rantoul, IL) is 1,692.59 mi.
2,084 mi = 3,353.59 kms