It's about one-seventy-fifth as long as a Football field.
In other words, 56.40 inches is 0.0130556 times the length of a Football field, and the length of a Football field is 76.59550 times that amount.(American) (total distance; per NFL regulation)
According to NFL specifications, an American football field should measure 4,320 inches from end to end. Because each team's goalpost is located at the far end of the scoring area (end zone), a ball on a scoring play may need to travel as many as 360 inches farther when kicked into the scoring area than when run (rushed) or passed into it.
It's about one-ninetieth as tall as The Great Pyramid of Giza.
In other words, the height of The Great Pyramid of Giza is 91 times 56.40 inches.(a.k.a. Pyramid of Khufu, a.k.a. Pyramid of Cheops) (Cairo, Egypt) (estimated original height)
The Great Pyramid of Giza has an estimated original height (without loss due to erosion) of 5,100 inches. The Pyramid was the tallest structure in the world for almost 4,000 years — from its construction ca. 2551 BCE until it was overtaken by the Lincoln Cathedral in Lincoln, England, built in the year 1300.
It's about 100 times as long as an Aspirin.
In other words, the length of an Aspirin is 0.01 times 56.40 inches.(for up & up aspirin, 325mg, regular strength tablets) (a.k.a. acetylsalicylic acid, a.k.a. ASA)
A single aspirin tablet measures 0.550 inches in diameter. One of the most common medicines in the world and a foundation of worldwide health systems, an estimated 40,000 metric tons of aspirin are consumed each year.
It's about one-one-hundredth as tall as The Spring Temple Buddha.
In other words, 56.40 inches is 0.00936 times the height of The Spring Temple Buddha, and the height of The Spring Temple Buddha is 107 times that amount.(a.k.a. 中原大佛, a.k.a. 鲁山大佛, a.k.a. 魯山大佛) (Fodushan Scenic Area, Lushan County, Henan, China) (including base)
The tallest statue in the world, the Spring Temple Buddha in Henan, China stands at 6,020 inches tall from its base. The Buddha is located in the 47,300,000-sq. m (11,700-acre) Fodushan Scenic Area near Mount Yao
It's about one-one-hundredth as tall as Blackpool Tower.
In other words, 56.40 inches is 0.00907 times the height of Blackpool Tower, and the height of Blackpool Tower is 110 times that amount.(Blackpool, Lancashire, England, United Kingdom) (height to peak)
Blackpool Tower, part of an entertainment complex in Blackpool, Lancashire, England, measures 6,220 inches to its peak. Under ideal conditions, visitors to the highest accessible point of the tower can see as far as the Isle of Man — 3,780,000 inches to the northwest.
It's about one-one-hundredth as long as The Seventeenth hole of Pebble Beach.
In other words, 56.40 inches is 0.00884 times the length of The Seventeenth hole of Pebble Beach, and the length of The Seventeenth hole of Pebble Beach is 113 times that amount.(fully Pebble Beach Golf Links) (Pebble Beach; Monterey, California) (from Blue Tee)
The seventeenth hole on Pebble Beach Golf Links is a par 3 measuring 6,380 inches from the blue tee. This hole was the site of professional golfer Jack Nicklaus' 1972 U.S. Open win, which included a 1-iron shot that bounced off the hole's flag and resulted in a birdie.
It's about one-one-hundredth as tall as The Singapore Flyer (Ferris wheel).
In other words, 56.40 inches is 0.00868 times the height of The Singapore Flyer (Ferris wheel), and the height of The Singapore Flyer (Ferris wheel) is 115 times that amount.(a.k.a. 新加坡摩天观景轮, a.k.a. சிங்கப்பூர் ஃப்ளையர், a.k.a. Pelayang Singapura) (Marina Centre, Singapore)
The Singapore Flyer has a height of 6,500 inches. Based on recommendations from Feng Shui masters, the wheel was re-engineered to spin in the opposite direction five months after it began operating.