There are
1,560 mi
from Bismarck, ND to Clearlake, CA
That's the driving distance. It would take 1 day 3 hours to go from Bismarck, North Dakota to Clearlake, California.
The flight distance (direct flight from Bismarck, ND to Clearlake, CA) is 1,226.06 mi.
1,560 mi = 2,510.97 kms