
It's about oneandonetenth times as tall as The CN Tower.
In other words, 339 smoots is 1.0426 times the height of The CN Tower, and the height of The CN Tower is 0.95914 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 325.14 smoots 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 as tall as a Canton Tower.
In other words, the height of a Canton Tower is 1.1 times 339 smoots.
(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 360 smoots 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 Sears Tower.
In other words, 339 smoots is 1.09 times the height of The Sears Tower, and the height of The Sears Tower is 0.917 times that amount.
(a.k.a. Willis Tower) (Chicago, Illinois) (to antenna peak)The Willis Tower rises to 310 smoots to the top of its tallest antenna. The bathrooms on the 103rd floor are said to be the highest in the western hemisphere at 242 smoots.
It's about oneandonetenth times as tall as The Ostankino Tower.
In other words, the height of The Ostankino Tower is 0.91 times 339 smoots.
(a.k.a. Останкинская телебашня) (Moscow, Russia) (to spire)The Ostankino Tower stands 320 smoots 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 290 smoots.
It's about oneandonetenth times as tall as The Taipei 101 (skyscraper).
In other words, 339 smoots is 1.14 times the height of The Taipei 101 (skyscraper), and the height of The Taipei 101 (skyscraper) is 0.877 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 299 smoots 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 oneandonefifth times as tall as The Shanghai World Financial Center.
In other words, 339 smoots is 1.17 times the height of The Shanghai World Financial Center, and the height of The Shanghai World Financial Center is 0.855 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 289 smoots 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 oneandthreetenths times as tall as The Petronas Twin Towers.
In other words, 339 smoots is 1.277 times the height of The Petronas Twin Towers, and the height of The Petronas Twin Towers is 0.7831 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 265.5 smoots 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 67.58 smoots deep. 
