
It's about three times as tall as Nelson's Column.
In other words, 520.97 feet is 3.075 times the height of Nelson's Column, and the height of Nelson's Column is 0.3252 times that amount.
(London, England, United Kingdom) (from pedestal first step to tip of statue's hat)Nelson's Column measures 169.4 feet from the first step of the pedestal's base to the top of the statue's hat. While the London tower is the tallest, there are at least eight other monuments to Admiral Horatio Nelson, 1st Viscount Nelson, 1st Duke of Bronté throughout England, Scotland, Ireland, Canada, and Barbados.
It's about onethird as tall as The Shanghai World Financial Center.
In other words, 520.97 feet is 0.323 times the height of The Shanghai World Financial Center, and the height of The Shanghai World Financial Center is 3.1 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 1,610 feet 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 threetenths as tall as The Taipei 101 (skyscraper).
In other words, 520.97 feet is 0.313 times the height of The Taipei 101 (skyscraper), and the height of The Taipei 101 (skyscraper) is 3.19 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 1,670 feet 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 three times as tall as The Arc de Triomphe.
In other words, 520.97 feet is 3.2 times the height of The Arc de Triomphe, and the height of The Arc de Triomphe is 0.31 times that amount.
(Paris, France)The Arc de Triomphe stands 160 feet tall. France's Tomb of the Unknown Soldier from the First World War lies beneath the arch and is commemorated by the first eternal flame to have been lit in modern European history.
It's about threetenths as tall as The Sears Tower.
In other words, 520.97 feet is 0.301 times the height of The Sears Tower, and the height of The Sears Tower is 3.32 times that amount.
(a.k.a. Willis Tower) (Chicago, Illinois) (to antenna peak)The Willis Tower rises to 1,730 feet to the top of its tallest antenna. The bathrooms on the 103rd floor are said to be the highest in the western hemisphere at 1,350 feet.
It's about threeandahalf times as tall as The Chicago Water Tower.
In other words, 520.97 feet is 3.39 times the height of The Chicago Water Tower, and the height of The Chicago Water Tower is 0.295 times that amount.
(Chicago, Illinois)The Chicago Water Tower is 154 feet tall. The tower's architecture was one source of inspiration behind the design of White Castle fastfood restaurants beginning with "Building Number 8," a prefabricated structure built in Minneapolis, Minnesota in 1936.
It's about threetenths as tall as The Ostankino Tower.
In other words, 520.97 feet is 0.29 times the height of The Ostankino Tower, and the height of The Ostankino Tower is 3.4 times that amount.
(a.k.a. Останкинская телебашня) (Moscow, Russia) (to spire)The Ostankino Tower stands 1,800 feet 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 1,600 feet. 
