It's about 45 times as tall as The Statue of Liberty
In other words, 4 kilometers is 43.02 times the height of The Statue of Liberty, and the height of The Statue of Liberty is 0.02325 times that amount.(a.k.a. "Liberty Enlightening the World," a.k.a. La Liberté Éclairant le Monde) (Liberty Island, New York City, New York) (pedestal base to torch peak)
The Statue of Liberty reaches 0.09299 kilometers including the pedestal. The statue was designed using an optical trick known as "forced perspective" to make the statue appear proportionally correct when viewed from its base and is, in actuality, disproportionately large at the top.
It's about 55 times as tall as a Giant Sequoia (tree)
In other words, the height of a Giant Sequoia (tree) is 0.019 times 4 kilometers.(a.k.a. Sequoiadendron giganteum, a.k.a. Sierra redwood, a.k.a. Wellingtonia)
Giant Sequoias of the Giant Sequoia National Monument located in Sierra Nevada, near Visalia, California can grow to heights of 0.076 kilometers. The wood from the Giant Sequoias is often brittle and prone to shattering when such trees are felled, and as a result the trees logged in the late nineteenth century were often usable only as shingles or matchsticks.
It's about 60 times as wide as The Wingspan of a 747
In other words, 4 kilometers is 58.40 times the width of The Wingspan of a 747, and the width of The Wingspan of a 747 is 0.0171 times that amount.(a.k.a. Boeing 747, a.k.a. Jumbo Jet, a.k.a. Queen of the Skies) (for Boeing 747-8 series)
The wingspan of a Boeing 747-8 is 0.0685 kilometers. Fully loaded, the 747 can travel 8,288 km before refueling.
It's about 70 times as tall as The Cinderella Castle
In other words, 4 kilometers is 69.40 times the height of The Cinderella Castle, and the height of The Cinderella Castle is 0.0144 times that amount.(Fantasyland, Magic Kingdom, Walt Disney World, Lake Buena Vista and Bay Lake, Florida)
Walt Disney World's Cinderella Castle is 0.0576 kilometers tall. The castle's architecture uses the optical trick known as "forced perspective" — the castle gets smaller near the top — to appear larger than it truly is.
It's about 70 times as tall as The Leaning Tower of Pisa
In other words, 4 kilometers is 70.90 times the height of The Leaning Tower of Pisa, and the height of The Leaning Tower of Pisa is 0.0141 times that amount.(a.k.a. The Tower of Pisa, a.k.a. Torre pendente di Pisa) (Pisa, Italy) (height along center axis)
The Leaning Tower of Pisa stands 0.0564 kilometers tall along the angle of its lean. In May of 2008, in an successful effort to stabilize the tower, 70 tonnes of earth were removed from the tower's base on the side opposite the lean.
It's about 75 times as tall as The Mahabodhi Temple
In other words, the height of The Mahabodhi Temple is 0.014 times 4 kilometers.(a.k.a. Great Awakening Temple, a.k.a. Maha Bodhi Temple, a.k.a. Temple of Bodh Gaya, a.k.a. Mahabodhi Mahavihar) (Bodh Gaya, Gaya District, Bihar, India)
The tower of the Mahabodhi Temple measures 0.055 kilometers in total height. The site has been of sacred interest for more than 2,000 years, with the current Temple dating back at least 1,400 years.
It's about 75 times as tall as Nelson's Column
In other words, 4 kilometers is 77.460 times the height of Nelson's Column, and the height of Nelson's Column is 0.01291 times that amount.(London, England, United Kingdom) (from pedestal first step to tip of statue's hat)
Nelson's Column measures 0.05164 kilometers from the first step of the pedestal's base to the top of the statue's hat. While the London tower is the tallest, there are at least eight other monuments to Admiral Horatio Nelson, 1st Viscount Nelson, 1st Duke of Bronté throughout England, Scotland, Ireland, Canada, and Barbados.