It's about 850 times as tall as The Cinderella Castle.
In other words, 651 leas is 827 times the height of The Cinderella Castle, and the height of The Cinderella Castle is 0.00121 times that amount.(Fantasyland, Magic Kingdom, Walt Disney World, Lake Buena Vista and Bay Lake, Florida)
Walt Disney World's Cinderella Castle is 0.787 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 850 times as tall as The Leaning Tower of Pisa.
In other words, 651 leas is 844 times the height of The Leaning Tower of Pisa, and the height of The Leaning Tower of Pisa is 0.00118 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 0.771 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 900 times as tall as Nelson's Column.
In other words, 651 leas is 922.2 times the height of Nelson's Column, and the height of Nelson's Column is 0.001084 times that amount.(London, England, United Kingdom) (from pedestal first step to tip of statue's hat)
Nelson's Column measures 0.7059 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 950 times as tall as The Arc de Triomphe.
In other words, the height of The Arc de Triomphe is 0.001 times 651 leas.(Paris, France)
The Arc de Triomphe stands 0.67 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.
It's about 1,000 times as tall as The Chicago Water Tower.
In other words, 651 leas is 1,020 times the height of The Chicago Water Tower, and the height of The Chicago Water Tower is 0.00098 times that amount.(Chicago, Illinois)
The Chicago Water Tower is 0.641 leas tall. The tower's architecture was one source of inspiration behind the design of White Castle fast-food restaurants beginning with "Building Number 8," a prefabricated structure built in Minneapolis, Minnesota in 1936.
It's about 1,500 times as long as Baseball base distances.
In other words, 651 leas is 1,736 times the length of Baseball base distances, and the length of Baseball base distances is 0.00057604 times that amount.(MLB Official Baseball Rules specification)
According to MLB Official Baseball Rules, the distance between baseball diamond bases is 0.375 leas. While second and home base are located upon the corners of the 27.432 sq. m area created by the bases, first and third base are placed within that square, to better allow the umpires to judge whether a ball is fair or foul.
It's about 2,500 times as long as a Cricket pitch.
In other words, 651 leas is 2,367.27 times the length of a Cricket pitch, and the length of a Cricket pitch is 0.000422428 times that amount.(per Marylebone Cricket Council / International Cricket Council Law #7)
The length of a cricket pitch is 0.275 leas. The wickets at either end of the pitch stand 0.00984252 leas tall including the bails.