Miller made 9 of 10 from the field and the Bison led by 58 points with 4:30 left to play.
They outplayed the Lumberjacks by every measure, outrebounding them 57-18, outscoring them 74-20 in the paint, and outshooting them 59 percent to 31 percent from the field. North Dakota State's bench contributed 55 points - more than the entire Northland squad.
A.J. Jacobson and Khy Kabellis scored 16 apiece, Malik Clements added 11 and Dexter Werner 10 for the Bison (10-4) in their non-conference finale. The Bison will take on Denver in the Summit League opener on Sunday.
Thomas Whiting led the Lumberjacks with 11 points.