
It's about oneandonetenth times as tall as The Empire State Building.
In other words, 451 yards is 1.0824 times the height of The Empire State Building, and the height of The Empire State Building is 0.923870 times that amount.
(New York City, New York) (to top of building)The Empire State Building stands 416.680 yards 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 ninetenths as tall as The Petronas Twin Towers.
In other words, 451 yards is 0.91260 times the height of The Petronas Twin Towers, and the height of The Petronas Twin Towers is 1.096 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 494.20 yards 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 125.80 yards deep.
It's about fourfifths as tall as The Shanghai World Financial Center.
In other words, 451 yards is 0.8380 times the height of The Shanghai World Financial Center, and the height of The Shanghai World Financial Center is 1.190 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 538 yards 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 fourfifths as tall as The Taipei 101 (skyscraper).
In other words, 451 yards is 0.8120 times the height of The Taipei 101 (skyscraper), and the height of The Taipei 101 (skyscraper) is 1.230 times that amount.
(a.k.a. Taipei Financial Center, a.k.a. 台北101, a.k.a. 臺北101) (Xinyi District, Taipei, Taiwan) (to spire)The Taipei 101 reaches 556 yards to its spire. The tower itself is said to be the style in world's tallest sundial, with the circular area of the adjacent Millennium Park acting as the sundial's face.
It's about oneandonefourth times as tall as The Eiffel Tower.
In other words, 451 yards is 1.270 times the height of The Eiffel Tower, and the height of The Eiffel Tower is 0.7870 times that amount.
(a.k.a. La Tour Eiffel) (Paris, France) (to flagpole peak)The Eiffel Tower stands 354 yards tall, including its flagpole. The Tower is the largest structure in Paris as most other buildings are governed by a zoning restriction limiting them to a height of 40.50 yards or less.
It's about fourfifths as tall as The Sears Tower.
In other words, 451 yards is 0.7830 times the height of The Sears Tower, and the height of The Sears Tower is 1.280 times that amount.
(a.k.a. Willis Tower) (Chicago, Illinois) (to antenna peak)The Willis Tower rises to 576 yards to the top of its tallest antenna. The bathrooms on the 103rd floor are said to be the highest in the western hemisphere at 451 yards.
It's about threefourths as tall as The Ostankino Tower.
In other words, the height of The Ostankino Tower is 1.30 times 451 yards.
(a.k.a. Останкинская телебашня) (Moscow, Russia) (to spire)The Ostankino Tower stands 590 yards 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 freestanding structure taller than 550 yards. 
