There are
2,048 mi
from Santee, CA to Warrenville, IL
That's the driving distance. It would take 1 day 11 hours to go from Santee, California to Warrenville, Illinois.
The flight distance (direct flight from Santee, CA to Warrenville, IL) is 1,689.67 mi.
2,048 mi = 3,296.25 kms