
It's about threefifths as tall as The Sears Tower.
In other words, 325 meters is 0.617 times the height of The Sears Tower, and the height of The Sears Tower is 1.62 times that amount.
(a.k.a. Willis Tower) (Chicago, Illinois) (to antenna peak)The Willis Tower rises to 527.0 m to the top of its tallest antenna. The bathrooms on the 103rd floor are said to be the highest in the western hemisphere at 412.4m.
It's about threefifths as tall as The Ostankino Tower.
In other words, the height of The Ostankino Tower is 1.7 times 325 meters.
(a.k.a. Останкинская телебашня) (Moscow, Russia) (to spire)The Ostankino Tower stands 540 m 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 500 m.
It's about threefifths as tall as The CN Tower.
In other words, 325 meters is 0.58735 times the height of The CN Tower, and the height of The CN Tower is 1.7026 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 553.33 m 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 oneandthreefourths times as tall as The Space Needle.
In other words, the height of The Space Needle is 0.565 times 325 meters.
(Seattle, Washington) (to aircraft warning beacon at peak)Built for a 1962 World's Fair, the Space Needle stands 184 m tall. With a trackandwheel design inspired by railroad mechanics and a preciselyconfigured balance, the restaurant near the top of the space needle requires just a 1.5 hp motor to rotate at speeds of about 0.053 kph (0.033 mph).
It's about half as tall as a Canton Tower.
In other words, 325 meters is 0.53 times the height of a Canton Tower, and the height of a Canton Tower is 1.9 times that amount.
(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 610 m 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 oneandninetenths times as tall as The Washington Monument.
In other words, 325 meters is 1.9198 times the height of The Washington Monument, and the height of The Washington Monument is 0.52089 times that amount.
(Washington, D.C.)The Washington Monument measures 169.29 m tall, with some discrepancy due to the fact that the Monument's base is slightly below the surrounding ground. Interrupted in its construction by the American Civil War, it was almost 36 years between groundbreaking and the completion of construction.
It's about twice as tall as The Singapore Flyer (Ferris wheel).
In other words, 325 meters is 1.97 times the height of The Singapore Flyer (Ferris wheel), and the height of The Singapore Flyer (Ferris wheel) is 0.508 times that amount.
(a.k.a. 新加坡摩天观景轮, a.k.a. சிங்கப்பூர் ஃப்ளையர், a.k.a. Pelayang Singapura) (Marina Centre, Singapore)The Singapore Flyer has a height of 165 m. Based on recommendations from Feng Shui masters, the wheel was reengineered to spin in the opposite direction five months after it began operating. 
