There are
1,588 mi
from Bismarck, ND to Pleasanton, CA
That's the driving distance. It would take 1 day 3 hours to go from Bismarck, North Dakota to Pleasanton, California.
The flight distance (direct flight from Bismarck, ND to Pleasanton, CA) is 1,244.53 mi.
1,588 mi = 2,556.36 kms