There are
2,091 mi
from Appleton, WI to Simi Valley, CA
That's the driving distance. It would take 1 day 13 hours to go from Appleton, Wisconsin to Simi Valley, California.
The flight distance (direct flight from Appleton, WI to Simi Valley, CA) is 1,752.14 mi.
2,091 mi = 3.22 kms