There are
1,920 mi
from Roseville, MN to Simi Valley, CA
That's the driving distance. It would take 1 day 10 hours to go from Roseville, Minnesota to Simi Valley, California.
The flight distance (direct flight from Roseville, MN to Simi Valley, CA) is 1,542.68 mi.
1,920 mi = 3,090.48 kms