There are
2,011 mi
from Simi Valley, CA to Crest Hill, IL
That's the driving distance. It would take 1 day 11 hours to go from Simi Valley, California to Crest Hill, Illinois.
The flight distance (direct flight from Simi Valley, CA to Crest Hill, IL) is 1,736.23 mi.
2,011 mi = 3.22 kms