There are
1,989 mi
from Simi Valley, CA to Stoughton, WI
That's the driving distance. It would take 1 day 11 hours to go from Simi Valley, California to Stoughton, Wisconsin.
The flight distance (direct flight from Simi Valley, CA to Stoughton, WI) is 1,693.93 mi.
1,989 mi = 1.61 kms