There are
1,425 mi
from Bismarck, ND to Seguin, TX
That's the driving distance. It would take 1 day 1 hour to go from Bismarck, North Dakota to Seguin, Texas.
The flight distance (direct flight from Bismarck, ND to Seguin, TX) is 1,200.72 mi.
1,425 mi = 2,294.03 kms