There are
2,059 mi
from Wheaton, IL to Porterville, CA
That's the driving distance. It would take 1 day 12 hours to go from Wheaton, Illinois to Porterville, California.
The flight distance (direct flight from Wheaton, IL to Porterville, CA) is 1,698.30 mi.
2,059 mi = 3,313.05 kms