
It's about eightandahalf times as long as a Woman's Footstep.
In other words, the length of a Woman's Footstep is 0.120 times 556.90 centimeters.
(for healthy, middleaged woman of average height; single step length)According to studies by The University of Oklahoma's Health Sciences Center, the average length of a woman's step is 66 centimeters, for an average stride (twostep's length) of 130 centimeters. The average person walks at a speed of about 1.3 m/s
It's about onetenth as tall as The Chicago Water Tower.
In other words, 556.90 centimeters is 0.1190 times the height of The Chicago Water Tower, and the height of The Chicago Water Tower is 8.40 times that amount.
(Chicago, Illinois)The Chicago Water Tower is 4,690 centimeters tall. The tower's architecture was one source of inspiration behind the design of White Castle fastfood restaurants beginning with "Building Number 8," a prefabricated structure built in Minneapolis, Minnesota in 1936.
It's about onetenth as tall as The Arc de Triomphe.
In other words, 556.90 centimeters is 0.110 times the height of The Arc de Triomphe, and the height of The Arc de Triomphe is 9.10 times that amount.
(Paris, France)The Arc de Triomphe stands 4,900 centimeters 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 onetenth as tall as Nelson's Column.
In other words, 556.90 centimeters is 0.10780 times the height of Nelson's Column, and the height of Nelson's Column is 9.2760 times that amount.
(London, England, United Kingdom) (from pedestal first step to tip of statue's hat)Nelson's Column measures 5,164 centimeters 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 onetenth as tall as The Leaning Tower of Pisa.
In other words, 556.90 centimeters is 0.0987 times the height of The Leaning Tower of Pisa, and the height of The Leaning Tower of Pisa is 10.10 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 5,640 centimeters 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 onetenth as tall as The Cinderella Castle.
In other words, 556.90 centimeters is 0.0967 times the height of The Cinderella Castle, and the height of The Cinderella Castle is 10.30 times that amount.
(Fantasyland, Magic Kingdom, Walt Disney World, Lake Buena Vista and Bay Lake, Florida)Walt Disney World's Cinderella Castle is 5,760 centimeters 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 onetenth as long as The Wingspan of a 747.
In other words, 556.90 centimeters is 0.0813 times the length of The Wingspan of a 747, and the length of The Wingspan of a 747 is 12.30 times that amount.
(a.k.a. Boeing 747, a.k.a. Jumbo Jet, a.k.a. Queen of the Skies) (for Boeing 7478 series)The wingspan of a Boeing 7478 is 6,850 centimeters. Fully loaded, the 747 can travel 829,000,000 centimeters before refueling. 
