Miles between Simi Valley, CA and Williston, ND

There are
1,571 mi
from Simi Valley, CA to Williston, ND

That's the driving distance. It would take 1 day 3 hours to go from Simi Valley, California to Williston, North Dakota.

The flight distance (direct flight from Simi Valley, CA to Williston, ND) is 1,236.52 mi.

1,571 mi = 1.61 kms