There are
1,918 mi
from St Paul, MN to Simi Valley, CA
That's the driving distance. It would take 1 day 10 hours to go from St Paul, Minnesota to Simi Valley, California.
The flight distance (direct flight from St Paul, MN to Simi Valley, CA) is 1,544.52 mi.
1,918 mi = 3,087.47 kms