There are
2,012 mi
from Simi Valley, CA to Wheaton, IL
That's the driving distance. It would take 1 day 11 hours to go from Simi Valley, California to Wheaton, Illinois.
The flight distance (direct flight from Simi Valley, CA to Wheaton, IL) is 1,738.47 mi.
2,012 mi = 3.22 kms