It's about three-tenths as big as Monaco.
In other words, the size of Monaco is 3 times 650 dunams.(a.k.a. the Principality of Monaco, a.k.a. Principauté de Monaco, a.k.a. Principatu de Múnegu)
One of the smallest nations in the world, Monaco is a city-state located on the French border of the Mediterranean Sea, which measures 2,000 dunams in total area.
It's about four-and-a-half times as big as The Pentagon.
In other words, 650 dunams is 4.710 times the size of The Pentagon, and the size of The Pentagon is 0.2120 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 138 dunams. 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 one-fifth as big as Central Park.
In other words, 650 dunams is 0.1910 times the size of Central Park, and the size of Central Park is 5.240 times that amount.(Manhattan, New York City, New York)
The most visited park in the country, Central Park has an area of 3,410 dunams. According to a 2005 appraisal, the real estate value of the Park's land is $528,783,552,000.
It's about six times as big as Ellis Island.
In other words, 650 dunams is 5.860 times the size of Ellis Island, and the size of Ellis Island is 0.1710 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 111 dunams 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 seven-and-a-half times as big as Alcatraz.
In other words, the size of Alcatraz is 0.140 times 650 dunams.(a.k.a. The Rock) (California)
Alcatraz Island measures 89 dunams. 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 eight-and-a-half times as big as Buckingham Palace.
In other words, the size of Buckingham Palace is 0.120 times 650 dunams.(a.k.a. Buckingham House) (Westminster, London, England)
Buckingham Palace, the official residence of the British monarch, contains about 77 dunams 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-tenth as big as Crawford Ranch.
In other words, 650 dunams is 0.10150 times the size of Crawford Ranch, and the size of Crawford Ranch is 9.8520 times that amount.(a.k.a. Prairie Chapel Ranch, a.k.a. Western White House) (Crawford, Texas)
Crawford Ranch, the private estate of President George W. Bush, is a 6,406 dunams estate, which, in addition to the house itself and its outbuildings, features seven canyons, three miles of river frontage and a man-made fish pond.