There are
1,603 mi
from Laredo, TX to Mandan, ND
That's the driving distance. It would take 1 day 4 hours to go from Laredo, Texas to Mandan, North Dakota.
The flight distance (direct flight from Laredo, TX to Mandan, ND) is 1,337.02 mi.
1,603 mi = 2,579.80 kms