There are
1,999 mi
from Gardena, CA to Warrenville, IL
That's the driving distance. It would take 1 day 11 hours to go from Gardena, California to Warrenville, Illinois.
The flight distance (direct flight from Gardena, CA to Warrenville, IL) is 1,722.54 mi.
1,999 mi = 3,217.79 kms