There are
2,850 mi
from Norwalk, CT to Simi Valley, CA
That's the driving distance. It would take 2 days 3 hours to go from Norwalk, Connecticut to Simi Valley, California.
The flight distance (direct flight from Norwalk, CT to Simi Valley, CA) is 2,496.61 mi.
2,850 mi = 3.22 kms