
It's about as tall as a Canton Tower.
(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 800 paces 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 topfloor track about every halfhour.
It's about oneandonetenth times as tall as The CN Tower.
In other words, 821 paces is 1.1306 times the height of The CN Tower, and the height of The CN Tower is 0.88449 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 726.15 paces tall at its spire. Used only in emergencies and for charitable climbing events, the 2,579step staircase to the top is the longest metal staircase in the world.
It's about oneandonefifth times as tall as The Sears Tower.
In other words, 821 paces is 1.19 times the height of The Sears Tower, and the height of The Sears Tower is 0.84 times that amount.
(a.k.a. Willis Tower) (Chicago, Illinois) (to antenna peak)The Willis Tower rises to 692 paces to the top of its tallest antenna. The bathrooms on the 103rd floor are said to be the highest in the western hemisphere at 541 paces.
It's about oneandonefifth times as tall as The Ostankino Tower.
In other words, the height of The Ostankino Tower is 0.83 times 821 paces.
(a.k.a. Останкинская телебашня) (Moscow, Russia) (to spire)The Ostankino Tower stands 710 paces 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 660 paces.
It's about oneandonefourth times as tall as The Taipei 101 (skyscraper).
In other words, 821 paces is 1.23 times the height of The Taipei 101 (skyscraper), and the height of The Taipei 101 (skyscraper) is 0.813 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 667 paces 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 fourfifths as tall as Gocta Falls.
In other words, 821 paces is 0.811 times the height of Gocta Falls, and the height of Gocta Falls is 1.23 times that amount.
(a.k.a. Gocta Cataracts, a.k.a. Catarata del Gocta) (Amazonas, Peru) (total height)Gocta Falls, a waterfall on the Cocahuayco River, measures 1,010 paces in total height. Although it sits just 55,100 paces from the major city of Chachapoyas, the waterfall was unknown to nonlocals until it was documented during a 2005 expedition by a German economist.
It's about oneandonefourth times as tall as The Shanghai World Financial Center.
In other words, 821 paces is 1.27 times the height of The Shanghai World Financial Center, and the height of The Shanghai World Financial Center is 0.787 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 646 paces 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 
