There are
927 mi
from Bismarck, ND to Hayden, ID
That's the driving distance. It would take 15 hours 27 mins to go from Bismarck, North Dakota to Hayden, Idaho.
The flight distance (direct flight from Bismarck, ND to Hayden, ID) is 751.58 mi.
927 mi = 1,492.23 kms