There are
2,029 mi
from Simi Valley, CA to Champaign, IL
That's the driving distance. It would take 1 day 11 hours to go from Simi Valley, California to Champaign, Illinois.
The flight distance (direct flight from Simi Valley, CA to Champaign, IL) is 1,719.53 mi.
2,029 mi = 3.22 kms