It's about five times as tall as Gocta Falls
In other words, 4 kilometers is 5.190 times the height of Gocta Falls, and the height of Gocta Falls is 0.1930 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 0.7710 kilometers in total height. Although it sits just 42 km from the major city of Chachapoyas, the waterfall was unknown to non-locals until it was documented during a 2005 expedition by a German economist.
It's about six-and-a-half times as tall as a Canton Tower
In other words, the height of a Canton Tower is 0.150 times 4 kilometers.(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 0.610 kilometers 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-tenth as tall as Olympus Mons
In other words, 4 kilometers is 0.150 times the height of Olympus Mons, and the height of Olympus Mons is 6.70 times that amount.(a.k.a. Mount Olympus) (Mars)
The tallest mountain in the solar system, Olympus Mons rises to approximately 27 km. The mountain has been known to astronomers since the nineteenth century because it is tall enough to rise above Mars' frequent dust storms.
It's about seven times as tall as The CN Tower
In other words, 4 kilometers is 7.2290 times the height of The CN Tower, and the height of The CN Tower is 0.138330 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 0.553330 kilometers 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 seven-and-a-half times as tall as The Ostankino Tower
In other words, the height of The Ostankino Tower is 0.140 times 4 kilometers.(a.k.a. Останкинская телебашня) (Moscow, Russia) (to spire)
The Ostankino Tower stands 0.540 kilometers 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 0.50 kilometers.
It's about seven-and-a-half times as tall as The Willis Tower
In other words, 4 kilometers is 7.690 times the height of The Willis Tower, and the height of The Willis Tower is 0.130 times that amount.(a.k.a. Sears Tower) (Chicago, Illinois) (to antenna peak)
The Willis Tower rises to about 0.520 kilometers to the top of its tallest antenna. The bathrooms on the 103rd floor are said to be the highest in the western hemisphere at about 0.4120 kilometers.
It's about eight times as tall as The Shanghai World Financial Center
In other words, 4 kilometers is 8.130 times the height of The Shanghai World Financial Center, and the height of The Shanghai World Financial Center is 0.1230 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 0.4920 kilometers 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