It's about one-and-one-tenth times as long as a Football field
In other words, 502 spans is 1.04583 times the length of a Football field, and the length of a Football field is 0.9561780 times that amount.(American) (total distance; per NFL regulation)
According to NFL specifications, an American football field should measure 480 spans 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 40 spans farther when kicked into the scoring area than when run (rushed) or passed into it.
It's about one-and-one-tenth times as long as a Football (Soccer) Pitch
In other words, 502 spans is 1.09 times the length of a Football (Soccer) Pitch, and the length of a Football (Soccer) Pitch is 0.9170 times that amount.(a.k.a. Football Field, a.k.a. Soccer Field) (field length, a.k.a. touchline distance)
According to the Laws of the Game, a football pitch should measure between 459 spans (when the Laws were originally, they used imperial measurements of 460 spans, and later converted to the metric units used today). The goal markess were defined as part of the pitch by the original rules of the game in the late 16th century, but it was not until the mid 19th century that the crossbar and the net were added
It's about nine-tenths as tall as The Great Pyramid of Giza
In other words, 502 spans is 0.880 times the height of The Great Pyramid of Giza, and the height of The Great Pyramid of Giza is 1.10 times that amount.(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 570 spans. 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 one-and-one-fifth times as tall as Big Ben
In other words, the height of Big Ben is 0.830 times 502 spans.(officially the clock tower of Palace of Westminster, a.k.a. Houses of Parliament) (London, England)
The clock tower of the Palace of Westminster, which houses the bell known as "Big Ben," rises 420 spans. The tower has no elevator, and is therefore only accessible by climbing 334 steps to the top.
It's about one-and-one-fourth times as tall as The Statue of Liberty
In other words, 502 spans is 1.2340 times the height of The Statue of Liberty, and the height of The Statue of Liberty is 0.81040 times that amount.(a.k.a. "Liberty Enlightening the World," a.k.a. La Liberté Éclairant le Monde) (Liberty Island, New York City, New York) (pedestal base to torch peak)
The Statue of Liberty reaches 406.80 spans including the pedestal. The statue was designed using an optical trick known as "forced perspective" to make the statue appear proportionally correct when viewed from its base and is, in actuality, disproportionately large at the top.
It's about three-fourths as long as The Shambles
In other words, the length of The Shambles is 1.30 times 502 spans.(a.k.a. Maze of Twisting, a.k.a. The Great Flesh Shambles) (York, England, United Kingdom) (approximate)
The Shambles, a historic shopping street in York, stretches about 660 spans. Several of the buildings along the street are over seven hundred years old.
It's about three-fourths as tall as The Spring Temple Buddha
In other words, the height of The Spring Temple Buddha is 1.330 times 502 spans.(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 669 spans tall from its base. The Buddha is located in the 47,300,000-sq. m (11,700-acre) Fodushan Scenic Area near Mount Yao