It's about as big as Monaco.
(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 500 feddans in total area.
It's about three-fifths as big as Central Park.
In other words, 513.46 feddans is 0.633 times the size of Central Park, and the size of Central Park is 1.58 times that amount.(Manhattan, New York City, New York)
The most visited park in the country, Central Park has an area of 812 feddans. According to a 2005 appraisal, the real estate value of the Park's land is $528,783,552,000.
It's about three times as big as The Forbidden City.
In other words, 513.46 feddans is 2.9 times the size of The Forbidden City, and the size of The Forbidden City is 0.34 times that amount.(a.k.a. Forbidden Palace, a.k.a. Purple Forbidden City, a.k.a. Zijin Cheng, a.k.a. Zǐjinchéng, a.k.a. 紫禁城) (Beijing, China)
The imperial palace complex of the Forbidden City consists of 980 buildings covering 180 feddans. The City was the home of Chinese Emperors and their cabinets from its construction in 1420 until the fall of the last ruling dynasty in 1912.
It's about one-third as big as Crawford Ranch.
In other words, 513.46 feddans is 0.3367 times the size of Crawford Ranch, and the size of Crawford Ranch is 2.97 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 1,525 feddans 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.
It's about one-third as big as Gibraltar.
In other words, the size of Gibraltar is 3 times 513.46 feddans.(British overseas territory) (total area)
The British overseas territory Gibraltar is located at the southern tip of Spain overlooking the Mediterranean Sea at the Strait of Gibraltar and measures of 1,500 feddans in total area. It is renowned as the home of the Rock of Gibraltar (a.k.a. Calpe, a.k.a. Jabal al Tariq), a well-known tourist attraction.
It's about three-and-a-half times as big as Disneyland.
In other words, the size of Disneyland is 0.3 times 513.46 feddans.(a.k.a. Disneyland Park) (Anaheim, California) (public areas)
The public areas of Disneyland occupy 150 feddans. The park consists of nine themed "stages" — including Main Street, U.S.A; Adventureland; Frontierland; Fantasyland; and Tomorrowland — with hidden passages that allow park employees to move between each without being seen by guests.
It's about one-fifth as big as Oregon's Armillaria ostoyae.
In other words, 513.46 feddans is 0.224 times the size of Oregon's Armillaria ostoyae, and the size of Oregon's Armillaria ostoyae is 4.46 times that amount.(a.k.a. Shoestring Rot) (Malheur National Forest, near John Day, Oregon) (if considered single organism)
The Armillaria ostoyae fungus of Malheur National Forest is a giant fungus measuring 2,300 feddans in area. The fungus, which pathologists estimate is between 2,000 and 8,500 years old, began as a microscopic spore and is now considered the largest organism in the world.