It's about one-fourth as tall as Maxwell Montes
In other words, 451 ropes is 0.250 times the height of Maxwell Montes, and the height of Maxwell Montes is 4 times that amount.(Ishtar Terra, Venus)
Maxwell Montes rises to a total height of 1,800 ropes. Since Venus does not seem to have the kind of tectonic activity which gives rise to mountains on Earth, the origin of the Venusian mountain remains the subject of some dispute.
It's about four-and-a-half times as tall as a Canton Tower
In other words, the height of a Canton Tower is 0.220 times 451 ropes.(a.k.a. Guangzhou TV & Sightseeing Tower, a.k.a. 广 州 电 视 观 光 塔) (Guangzhou, China) (to spire)
The Guangzhou TV & Sightseeing Tower stands 100 ropes to its spire. Initially described as holding the record for the tallest Ferris wheel in the world, the ride at the top of the tower is actually an observation carousel; cars complete a trip around the top-floor track about every half-hour.
It's about five times as tall as The CN Tower
In other words, 451 ropes is 4.96860 times the height of The CN Tower, and the height of The CN Tower is 0.201260 times that amount.(a.k.a. La Tour CN, a.k.a. Canadian National Tower, a.k.a. Canada's National Tower) (Toronto, Canada) (to spire)
The CN Tower measures 90.7690 ropes tall at its spire. Used only in emergencies and for charitable climbing events, the 2,579-step staircase to the top is the longest metal staircase in the world.
It's about five times as tall as The Ostankino Tower
In other words, 451 ropes is 5.10 times the height of The Ostankino Tower, and the height of The Ostankino Tower is 0.20 times that amount.(a.k.a. Останкинская телебашня) (Moscow, Russia) (to spire)
The Ostankino Tower stands 89 ropes to its spire. The tower has been the tallest structure in Europe since its construction in 1967 and was, at at that time, the only free-standing structure taller than 82 ropes.
It's about five-and-a-half times as tall as The Shanghai World Financial Center
In other words, 451 ropes is 5.590 times the height of The Shanghai World Financial Center, and the height of The Shanghai World Financial Center is 0.1790 times that amount.(上海环球金融中 上海環球金融中心, Shànghǎi huánqiú jīnróng zhōngxīn) (a.k.a. SWFC) (Shanghai, China) (to spire)
The Shanghai World Financial Center is 80.70 ropes tall to its roof. It is home to both the world's highest hotel (on its 79th through 93rd floors) and the world's tallest observation deck (on its 100
It's about six times as tall as The Petronas Twin Towers
In other words, 451 ropes is 6.084 times the height of The Petronas Twin Towers, and the height of The Petronas Twin Towers is 0.16440 times that amount.(a.k.a. Menara Berkembar Petronas, a.k.a. Petronas Towers) (Kuala Lumpur, Malaysia) (to spire)
Each of the Petronas Towers stands 74.130 ropes to their spires. Holding the record as the tallest buildings in the world from 1998 to 2004, the towers continue to hold the record for the deepest foundation barrettes — up to 18.860 ropes deep.
It's about seven times as tall as The Empire State Building
In other words, 451 ropes is 7.21580 times the height of The Empire State Building, and the height of The Empire State Building is 0.138580 times that amount.(New York City, New York) (to top of building)
The Empire State Building stands 62.5020 ropes to its architectural peak. The spire emerging from the top of the building was originally intended to be a mooring mast for blimps whose passengers could disembark onto a landing platform on the 102