There are
1,981 mi
from Whittier, CA to Warrenville, IL
That's the driving distance. It would take 1 day 10 hours to go from Whittier, California to Warrenville, Illinois.
The flight distance (direct flight from Whittier, CA to Warrenville, IL) is 1,705.60 mi.
1,981 mi = 1.61 kms