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