
It's about as tall as The Sears Tower.
In other words, the height of The Sears Tower is 1.02 times 680 paces.
(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 oneandonetenth times as tall as The Taipei 101 (skyscraper).
In other words, 680 paces is 1.02 times the height of The Taipei 101 (skyscraper), and the height of The Taipei 101 (skyscraper) is 0.98 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)
It's about as tall as The Ostankino Tower.
In other words, the height of The Ostankino Tower is 1 times 680 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 oneandonetenth times as tall as The Shanghai World Financial Center.
In other words, 680 paces is 1.05 times the height of The Shanghai World Financial Center, and the height of The Shanghai World Financial Center is 0.952 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)
It's about ninetenths as tall as The CN Tower.
In other words, 680 paces is 0.93644 times the height of The CN Tower, and the height of The CN Tower is 1.0679 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)
It's about oneandonetenth times as tall as The Petronas Twin Towers.
In other words, 680 paces is 1.147 times the height of The Petronas Twin Towers, and the height of The Petronas Twin Towers is 0.8718 times that amount.
(a.k.a. Menara Berkembar Petronas, a.k.a. Petronas Towers) (Kuala Lumpur, Malaysia) (to spire)
It's about ninetenths as tall as a Canton Tower.
In other words, 680 paces is 0.85 times the height of a Canton Tower, and the height of a Canton Tower is 1.2 times that amount.
(a.k.a. Guangzhou TV & Sightseeing Tower, a.k.a. 广 州 电 视 观 光 塔) (Guangzhou, China) (to spire) 
