There are
1,279 mi
from Longview, TX to Mandan, ND
That's the driving distance. It would take 23 hours 1 min to go from Longview, Texas to Mandan, North Dakota.
The flight distance (direct flight from Longview, TX to Mandan, ND) is 1,041.63 mi.
1,279 mi = 2,059.04 kms