There are
2,085 mi
from Simi Valley, CA to Neenah, WI
That's the driving distance. It would take 1 day 13 hours to go from Simi Valley, California to Neenah, Wisconsin.
The flight distance (direct flight from Simi Valley, CA to Neenah, WI) is 1,748.71 mi.
2,085 mi = 3.22 kms