
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 670 yards 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 Ostankino Tower.
In other words, the height of The Ostankino Tower is 0.910 times 670 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.
It's about oneandonetenth times as tall as The CN Tower.
In other words, 670 yards is 1.10720 times the height of The CN Tower, and the height of The CN Tower is 0.903180 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 605.130 yards 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, 670 yards is 1.160 times the height of The Sears Tower, and the height of The Sears Tower is 0.8620 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 oneandonefifth times as tall as The Taipei 101 (skyscraper).
In other words, 670 yards is 1.210 times the height of The Taipei 101 (skyscraper), and the height of The Taipei 101 (skyscraper) is 0.8260 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 Shanghai World Financial Center.
In other words, 670 yards is 1.250 times the height of The Shanghai World Financial Center, and the height of The Shanghai World Financial Center is 0.80 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 Gocta Falls.
In other words, 670 yards is 0.7950 times the height of Gocta Falls, and the height of Gocta Falls is 1.260 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 843 yards in total height. Although it sits just 45,900 yards from the major city of Chachapoyas, the waterfall was unknown to nonlocals until it was documented during a 2005 expedition by a German economist. 
