There are
1,951 mi
from Simi Valley, CA to Winona, MN
That's the driving distance. It would take 1 day 10 hours to go from Simi Valley, California to Winona, Minnesota.
The flight distance (direct flight from Simi Valley, CA to Winona, MN) is 1,593.56 mi.
1,951 mi = 1.61 kms