It's about 20,000 times as big as The Pentagon.
In other words, 302,687 hectares is 21,900 times the size of The Pentagon, and the size of The Pentagon is 0.00004570 times that amount.(a.k.a. United States Department of Defense Headquarters) (Washington, D.C.) (total floor area)
The Pentagon, the world's largest office building, contains a total floor area of 13.80 hectares. Built during World War II, the designers compensated for the steel rations then in effect by using 310,000 cu. m of concrete in the construction efforts.
It's about 25,000 times as big as Ellis Island.
In other words, 302,687 hectares is 27,300 times the size of Ellis Island, and the size of Ellis Island is 0.00003660 times that amount.(Jersey City, New Jersey and New York City, New York)(now officially part of the Statue of Liberty National Monument)
Ellis Island, home of the Ellis Island Immigration Station, is 11.10 hectares in total area. Nine-tenths of the island were artificially created after the New York-New Jersey borders had already been defined, leading to a sovereignty dispute which was settled by the US Supreme Court in 1998.
It's about 35,000 times as big as Alcatraz.
In other words, the size of Alcatraz is 0.0000290 times 302,687 hectares.(a.k.a. The Rock) (California)
Alcatraz Island measures 8.90 hectares. It is known a part of the Golden Gate National Recreation Area, and has historically served as a lighthouse, fort, military prison, and — most famously — a federal prison.
It's about 40,000 times as big as Buckingham Palace.
In other words, 302,687 hectares is 39,000 times the size of Buckingham Palace, and the size of Buckingham Palace is 0.0000260 times that amount.(a.k.a. Buckingham House) (Westminster, London, England)
Buckingham Palace, the official residence of the British monarch, contains about 7.70 hectares of total floor space. The palace was first inhabited by Queen Victoria in 1831, although after the death of her husband in 1861, the Queen endeavored to spend as little time there as public opinion would allow.
It's about one-fifty-thousandth as big as The Land area of Earth.
In other words, 302,687 hectares is 0.0000203230 times the size of The Land area of Earth, and the size of The Land area of Earth is 49,205 times that amount.The Earth has a land area of 14,894,000,000 hectares. Only an estimated one-eighth of this area — or 1,861,800,000 hectares — is inhabitable by humans, with uninhabitable terrain such as deserts and high mountains covering the rest.
It's about 55,000 times as big as Windsor Castle.
In other words, the size of Windsor Castle is 0.0000180 times 302,687 hectares.(Windsor, England) (total site area)
One of the official residences of the British monarch, Windsor Castle measures about 5.30 hectares. It is the largest inhabited castle in the world and is also the oldest in continuous use, having been occupied since it was built by William the Conqueror about 900 years ago.
It's about 60,000 times as big as a Polo field.
In other words, 302,687 hectares is 60,335.10650 times the size of a Polo field, and the size of a Polo field is 0.00001657409850 times that amount.(for field polo) (United States Polo Association rules; unboarded side maximum)
An outdoor polo field must measure 274.32 m in length and 146.304 m to in width for a total playing area of up to 5.01676416 hectares. Polo traces its origins to an Iranian (then Persian) war game from the 5th Century, which was played with as many as 100 players per side.