There are
1,984 mi
from Tustin, CA to Warrenville, IL
That's the driving distance. It would take 1 day 10 hours to go from Tustin, California to Warrenville, Illinois.
The flight distance (direct flight from Tustin, CA to Warrenville, IL) is 1,702.53 mi.
1,984 mi = 1.61 kms