It's about 65 times as tall as a Giant Sequoia (tree).
In other words, the height of a Giant Sequoia (tree) is 0.016 times 66.770 leas.(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 1 leas. 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 70 times as long as The Wingspan of a 747.
In other words, 66.770 leas is 71.30 times the length of The Wingspan of a 747, and the length of The Wingspan of a 747 is 0.014 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 0.9360 leas. Fully loaded, the 747 can travel 113,000 leas before refueling.
It's about 85 times as tall as The Cinderella Castle.
In other words, 66.770 leas is 84.80 times the height of The Cinderella Castle, and the height of The Cinderella Castle is 0.0118 times that amount.(Fantasyland, Magic Kingdom, Walt Disney World, Lake Buena Vista and Bay Lake, Florida)
Walt Disney World's Cinderella Castle is 0.7870 leas 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 85 times as tall as The Leaning Tower of Pisa.
In other words, 66.770 leas is 86.60 times the height of The Leaning Tower of Pisa, and the height of The Leaning Tower of Pisa is 0.0115 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 0.7710 leas 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 one-ninetieth as long as The Grand Canyon.
In other words, the length of The Grand Canyon is 90.90 times 66.770 leas.(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
The Grand Canyon has a total length of 6,100 leas along the course of the Colorado River at its bottom. Having opened in early 2007, the Grand Canyon Skywalk allows tourists to stand on a horseshoe-shaped glass walkway 15 leas above the floor of Granite Gorge.
It's about 95 times as tall as Nelson's Column.
In other words, 66.770 leas is 94.580 times the height of Nelson's Column, and the height of Nelson's Column is 0.01057 times that amount.(London, England, United Kingdom) (from pedestal first step to tip of statue's hat)
Nelson's Column measures 0.70590 leas 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.
It's about 100 times as tall as The Arc de Triomphe.
In other words, the height of The Arc de Triomphe is 0.01 times 66.770 leas.(Paris, France)
The Arc de Triomphe stands 0.670 leas tall. France's Tomb of the Unknown Soldier from the First World War lies beneath the arch and is commemorated by the first eternal flame to have been lit in modern European history.