There are
2,004 mi
from Des Plaines, IL to Fullerton, CA
That's the driving distance. It would take 1 day 11 hours to go from Des Plaines, Illinois to Fullerton, California.
The flight distance (direct flight from Des Plaines, IL to Fullerton, CA) is 1,720.65 mi.
2,004 mi = 3,225.02 kms