It's about one-and-one-tenth times as long as a Football field.
In other words, 251.50 cubits is 1.04792 times the length of a Football field, and the length of a Football field is 0.9542710 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, the length of a Football (Soccer) Pitch is 0.9090 times 251.50 cubits.(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 0.880 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 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, the height of Big Ben is 0.830 times 251.50 cubits.(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 1.2370 times the height of The Statue of Liberty, and the height of The Statue of Liberty is 0.80840 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 tall as The Spring Temple Buddha.
In other words, 251.50 cubits is 0.7520 times the height of The Spring Temple Buddha, and the height of The Spring Temple Buddha is 1.330 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
It's about three-fourths as tall as Blackpool Tower.
In other words, 251.50 cubits is 0.7280 times the height of Blackpool Tower, and the height of Blackpool Tower is 1.370 times that amount.(Blackpool, Lancashire, England, United Kingdom) (height to peak)
Blackpool Tower, part of an entertainment complex in Blackpool, Lancashire, England, measures 346 cubits to its peak. Under ideal conditions, visitors to the highest accessible point of the tower can see as far as the Isle of Man — 210,000 cubits to the northwest.