It's about forty times as tall as a Giant Sequoia (tree)
In other words, the height of a Giant Sequoia (tree) is 0.026 times 3,000 meters.(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 76 m. 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 one-fortieth as long as Hadrian's Wall
In other words, the length of Hadrian's Wall is 40 times 3,000 meters.(a.k.a. Roman Wall, a.k.a. The Wall, a.k.a. Vallo di Adriano, a.k.a. Vallum Aelium, a.k.a. Severus' Wall) (from North Tyneside, Tyne and Wear, England, United Kingdom to Cumbria, North West England, United Kingdom)
Hadrian's Wall, which crossed England form the North Sea to the Irish Sea during the time of Roman rule, measures 120,000 meters (about 79 Roman miles). Roman soldiers — at one time up to 10,000 of them — only occupied Great Britain for about 246 years after the wall was built, after which time the local Brits began to take residence the wall's garrisons.
It's about 45 times as wide as The Wingspan of a 747
In other words, 3,000 meters is 43.80 times the width of The Wingspan of a 747, and the width of The Wingspan of a 747 is 0.0228 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 68.5 m. Fully loaded, the 747 can travel 8,290,000 meters before refueling.
It's about 50 times as tall as The Cinderella Castle
In other words, 3,000 meters is 52.10 times the height of The Cinderella Castle, and the height of The Cinderella Castle is 0.0192 times that amount.(Fantasyland, Magic Kingdom, Walt Disney World, Lake Buena Vista and Bay Lake, Florida)
Walt Disney World's Cinderella Castle is 57.6 m 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 55 times as tall as The Leaning Tower of Pisa
In other words, 3,000 meters is 53.20 times the height of The Leaning Tower of Pisa, and the height of The Leaning Tower of Pisa is 0.0188 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 56.4 m 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 55 times as tall as The Mahabodhi Temple
In other words, the height of The Mahabodhi Temple is 0.018 times 3,000 meters.(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 55 m 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 60 times as tall as Nelson's Column
In other words, 3,000 meters is 58.09 times the height of Nelson's Column, and the height of Nelson's Column is 0.01721 times that amount.(London, England, United Kingdom) (from pedestal first step to tip of statue's hat)
Nelson's Column measures 51.64 m 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.