There are
1,490 mi
from Hayward, CA to Williston, ND
That's the driving distance. It would take 1 day 2 hours to go from Hayward, California to Williston, North Dakota.
The flight distance (direct flight from Hayward, CA to Williston, ND) is 1,176.82 mi.
1,490 mi = 1.61 kms