It's about one-and-one-tenth times as long as a Football field
In other words, 251.50 cubits is 1.0479 times the length of a Football field, and the length of a Football field is 0.954271 times that amount.(American) (total distance; per NFL regulation)
According to NFL specifications, an American football field should measure 240 cubits 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 20 cubits 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, 251.50 cubits is 1.1 times the length of a Football (Soccer) Pitch, and the length of a Football (Soccer) Pitch is 0.909 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 230 cubits (when the Laws were originally, they used imperial measurements of 230 cubits, 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, 251.50 cubits is 0.88 times the height of The Great Pyramid of Giza, and the height of The Great Pyramid of Giza is 1.1 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 280 cubits. 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, 251.50 cubits is 1.2 times the height of Big Ben, and the height of Big Ben is 0.83 times that amount.(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 210 cubits. 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, 251.50 cubits is 1.237 times the height of The Statue of Liberty, and the height of The Statue of Liberty is 0.8084 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 203.40 cubits 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, 251.50 cubits is 0.77 times the length of The Shambles, and the length of The Shambles is 1.3 times that amount.(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 330 cubits. 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, 251.50 cubits is 0.752 times the height of The Spring Temple Buddha, and the height of The Spring Temple Buddha is 1.33 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 335 cubits tall from its base. The Buddha is located in the 47,300,000-sq. m (11,700-acre) Fodushan Scenic Area near Mount Yao