There are
2,003 mi
from Citrus Heights, CA to Warrenville, IL
That's the driving distance. It would take 1 day 10 hours to go from Citrus Heights, California to Warrenville, Illinois.
The flight distance (direct flight from Citrus Heights, CA to Warrenville, IL) is 1,747.84 mi.
2,003 mi = 3.22 kms