It's about three-fifths as tall as The Sears Tower.
In other words, 325 meters is 0.6170 times the height of The Sears Tower, and the height of The Sears Tower is 1.620 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 three-fifths as tall as The Ostankino Tower.
In other words, the height of The Ostankino Tower is 1.70 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 free-standing structure taller than 500 m.
It's about three-fifths as tall as The CN Tower.
In other words, 325 meters is 0.587350 times the height of The CN Tower, and the height of The CN Tower is 1.70260 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 2,579-step staircase to the top is the longest metal staircase in the world.
It's about one-and-three-fourths times as tall as The Space Needle.
In other words, the height of The Space Needle is 0.5650 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 track-and-wheel design inspired by railroad mechanics and a precisely-configured 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 one-and-nine-tenths times as tall as St. Paul's Cathedral.
In other words, 325 meters is 1.870 times the height of St. Paul's Cathedral, and the height of St. Paul's Cathedral is 0.5350 times that amount.(London, England, United Kingdom)
St. Paul's Cathedral measures 174 m to its peak. The southwest tower of the Cathedral contains the bell known as "Great Paul," which is the largest bell in Great Britain at 15,000 kg (16.5 tons), outweighing the more iconic Big Ben bell by about 3,000 kg (3 tons).
It's about half as tall as a Canton Tower.
In other words, 325 meters is 0.530 times the height of a Canton Tower, and the height of a Canton Tower is 1.90 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 top-floor track about every half-hour.
It's about one-and-nine-tenths times as tall as The Washington Monument.
In other words, 325 meters is 1.91980 times the height of The Washington Monument, and the height of The Washington Monument is 0.520890 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.