There are
2,039 mi
from Lansing, IL to Simi Valley, CA
That's the driving distance. It would take 1 day 11 hours to go from Lansing, Illinois to Simi Valley, California.
The flight distance (direct flight from Lansing, IL to Simi Valley, CA) is 1,765.07 mi.
2,039 mi = 3,281.57 kms