There are
1,167 mi
from Bismarck, ND to Southlake, TX
That's the driving distance. It would take 21 hours 7 mins to go from Bismarck, North Dakota to Southlake, Texas.
The flight distance (direct flight from Bismarck, ND to Southlake, TX) is 977.18 mi.
1,167 mi = 1,878.78 kms