It's about 2,500 times as tall as Hervé Villechaize
In other words, the height of Hervé Villechaize is 0.00043 times 451 ropes.(a.k.a. Hervé Jean-Pierre Villechaize) (1943-1993) (actor)
Hervé Villechaize, most famous for his role as Tattoo on the 1978-84 television series Fantasy Island, was an LP with a height of 0.20 ropes. Villechaize's form of dwarfism, spondyloepiphyseal dysplasia-brachydactyly and distinctive speech (SED-BDS), is also known as "Tattoo dysplasia" or "Fantasy Island syndrome."
It's about one-two-thousand-five-hundredth as long as The Amazon River
In other words, 451 ropes is 0.0004271 times the length of The Amazon River, and the length of The Amazon River is 2,341 times that amount.(from Nevado Mismi, Arequipa, Peru through near Marajó, Brazil) (approximate distance)
The Amazon River has an approximate distance of 1,056,000 ropes. Although by most measures it is the largest and one of the most significant rivers in the world, the region surrounding the Amazon is mostly sparsely populated and the river itself has no bridges across it at any point.
It's about 2,500 times as tall as Kenny Baker
In other words, the height of Kenny Baker is 0.0004 times 451 ropes.(a.k.a. Kenneth George Baker) (1934-) (actor)
Kenny Baker, most famous for his role as R2-D2 in the Star Wars film franchise, is an LP with a height of 0.180 ropes. Baker and his wife, Eileen, both made brief appearances as the small, woodland creatures known as Ewoks in the 1984 Star Wars movie, Star Wars: Return of the Jedi (a.k.a. Star Wars Episode VI: Return of the Jedi).
It's about 3,000 times as tall as General Tom Thumb
In other words, the height of General Tom Thumb is 0.00033 times 451 ropes.(a.k.a. Charles Sherwood Stratton) (1838-1883) (circus performer; height at death)
General Tom Thumb was an LP with a height (at his death) of 0.150 ropes. Thumb stopped growing at 0.10 ropes when he was five years old, but resumed growth in his teens which continued through the remainder of his life.
It's about one-three-thousandth as long as The Great Wall of China (total)
In other words, 451 ropes is 0.000311 times the length of The Great Wall of China (total), and the length of The Great Wall of China (total) is 3,220 times that amount.(长城, 長城, Chángchéng, a.k.a. 万里长城, 萬里長城, Wànlǐ Chángchéng) (a.k.a. "The long wall of 10,000 Li") (from Shanhaiguan through Lop Nur, China) (total length, all branches)
The Great Wall of China, including all branches and trenches, is 1,450,000 ropes. Built and maintained in multiple sections over about eleven centuries, the Great Wall is currently suffering the effects of erosion, especially in the older sections made primarily out of mud.
It's about 3,500 times as tall as Verne Troyer
In other words, the height of Verne Troyer is 0.00029 times 451 ropes.(1969-2018) (actor)
Verne Troyer, most famous for his role as Mini-Me in the Austin Powers series, was an LP with a height of 0.130 ropes. Troyer's first role was as a stunt double for a baby in the 1994 film Baby's Day Out.
It's about 3,500 times as long as a Man's Footstep
In other words, the length of a Man's Footstep is 0.00029 times 451 ropes.(for healthy, middle-aged man of average height; single step length)
According to studies by The University of Oklahoma's Health Sciences Center, the average length of a man's step is 0.130 ropes, for an average stride (two-step's length) of 0.260 ropes. The average person walks at a speed of about 1.3 m/s