There are
1,607 mi
from Simi Valley, CA to Bismarck, ND
That's the driving distance. It would take 1 day 4 hours to go from Simi Valley, California to Bismarck, North Dakota.
The flight distance (direct flight from Simi Valley, CA to Bismarck, ND) is 1,276.34 mi.
1,607 mi = 1.61 kms