There are
1,439 mi
from Pasadena, TX to Mandan, ND
That's the driving distance. It would take 1 day 1 hour to go from Pasadena, Texas to Mandan, North Dakota.
The flight distance (direct flight from Pasadena, TX to Mandan, ND) is 1,222.57 mi.
1,439 mi = 1.61 kms