It's about sixteen-and-a-half times as tall as The Singapore Flyer (Ferris wheel)
In other words, the height of The Singapore Flyer (Ferris wheel) is 0.0599 times 451 ropes.(a.k.a. 新加坡摩天观景轮, a.k.a. சிங்கப்பூர் ஃப்ளையர், a.k.a. Pelayang Singapura) (Marina Centre, Singapore)
The Singapore Flyer has a height of 27.10 ropes. Based on recommendations from Feng Shui masters, the wheel was re-engineered to spin in the opposite direction five months after it began operating.
It's about seventeen times as long as The Seventeenth hole of Pebble Beach
In other words, the length of The Seventeenth hole of Pebble Beach is 0.0588 times 451 ropes.(fully Pebble Beach Golf Links) (Pebble Beach; Monterey, California) (from Blue Tee)
The seventeenth hole on Pebble Beach Golf Links is a par 3 measuring 26.60 ropes from the blue tee. This hole was the site of professional golfer Jack Nicklaus' 1972 U.S. Open win, which included a 1-iron shot that bounced off the hole's flag and resulted in a birdie.
It's about seventeen-and-a-half times as tall as Blackpool Tower
In other words, the height of Blackpool Tower is 0.0575 times 451 ropes.(Blackpool, Lancashire, England, United Kingdom) (height to peak)
Blackpool Tower, part of an entertainment complex in Blackpool, Lancashire, England, measures 25.90 ropes to its peak. Under ideal conditions, visitors to the highest accessible point of the tower can see as far as the Isle of Man — 15,700 ropes to the northwest.
It's about eighteen times as long as The Shambles
In other words, the length of The Shambles is 0.056 times 451 ropes.(a.k.a. Maze of Twisting, a.k.a. The Great Flesh Shambles) (York, England, United Kingdom) (approximate)
The Shambles, a historic shopping street in York, stretches about 25 ropes. Several of the buildings along the street are over seven hundred years old.
It's about eighteen times as tall as The Spring Temple Buddha
In other words, the height of The Spring Temple Buddha is 0.0556 times 451 ropes.(a.k.a. 中原大佛, a.k.a. 鲁山大佛, a.k.a. 魯山大佛) (Fodushan Scenic Area, Lushan County, Henan, China) (including base)
The tallest statue in the world, the Spring Temple Buddha in Henan, China stands at 25.10 ropes tall from its base. The Buddha is located in the 47,300,000-sq. m (11,700-acre) Fodushan Scenic Area near Mount Yao
It's about twenty times as tall as The Great Pyramid of Giza
In other words, the height of The Great Pyramid of Giza is 0.048 times 451 ropes.(a.k.a. Pyramid of Khufu, a.k.a. Pyramid of Cheops) (Cairo, Egypt) (estimated original height)
The Great Pyramid of Giza has an estimated original height (without loss due to erosion) of 21 ropes. The Pyramid was the tallest structure in the world for almost 4,000 years — from its construction ca. 2551 BCE until it was overtaken by the Lincoln Cathedral in Lincoln, England, built in the year 1300.
It's about thirty times as long as a Football field
In other words, 451 ropes is 25.0556 times the length of a Football field, and the length of a Football field is 0.0399112 times that amount.(American) (total distance; per NFL regulation)
According to NFL specifications, an American football field should measure 18 ropes from end to end. Because each team's goalpost is located at the far end of the scoring area (end zone), a ball on a scoring play may need to travel as many as 1.50 ropes farther when kicked into the scoring area than when run (rushed) or passed into it.