It's about as tall as The Petronas Twin Towers
(a.k.a. Menara Berkembar Petronas, a.k.a. Petronas Towers) (Kuala Lumpur, Malaysia) (to spire)
Each of the Petronas Towers stands 451.9 m 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 115 m deep.
It's about nine-tenths as tall as The Shanghai World Financial Center
In other words, 451.90 meters is 0.918 times the height of The Shanghai World Financial Center, and the height of The Shanghai World Financial Center is 1.1 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 492 m 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 nine-tenths as tall as The Willis Tower
In other words, 451.90 meters is 0.869 times the height of The Willis Tower, and the height of The Willis Tower is 1.15 times that amount.(a.k.a. Sears Tower) (Chicago, Illinois) (to antenna peak)
The Willis Tower rises to about 520 m to the top of its tallest antenna. The bathrooms on the 103rd floor are said to be the highest in the western hemisphere at about 412 m.
It's about one-and-one-fifth times as tall as The Empire State Building
In other words, 451.90 meters is 1.1861 times the height of The Empire State Building, and the height of The Empire State Building is 0.8431 times that amount.(New York City, New York) (to top of building)
The Empire State Building stands 381.01 m 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
It's about four-fifths as tall as The Ostankino Tower
In other words, 451.90 meters is 0.84 times the height of The Ostankino Tower, and the height of The Ostankino Tower is 1.2 times that amount.(a.k.a. Останкинская телебашня) (Moscow, Russia) (to spire)
The Ostankino Tower stands 540 m 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 500 m.
It's about four-fifths as tall as The CN Tower
In other words, 451.90 meters is 0.81669 times the height of The CN Tower, and the height of The CN Tower is 1.2245 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 553.33 m 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 three-fourths as tall as a Canton Tower
In other words, 451.90 meters is 0.74 times the height of a Canton Tower, and the height of a Canton Tower is 1.4 times that amount.(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 610 m 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.