It's about eighteen-and-a-half times as big as Mackinac Island.
In other words, 20,800 hectares is 18.3960 times the size of Mackinac Island, and the size of Mackinac Island is 0.05436 times that amount.(Michigan)
Mackinac Island measures 1,131 hectares in total land area. The island is located in Lake Huron and is known as a historically-cultured tourist destination and summer colony, home to the well-known Victorian Grand Hotel.
It's about one-twentieth as big as Rhode Island.
In other words, 20,800 hectares is 0.0519784 times the size of Rhode Island, and the size of Rhode Island is 19.23880 times that amount.(a.k.a. The State of Rhode Island and Providence Plantations, a.k.a. RI) (United States)
The "Ocean State," Rhode Island measures 400,166 hectares in total area. Several large bays totaling 270,600 hectares make up 32.4% of its total area.
It's about twenty times as big as Oregon's Armillaria ostoyae.
In other words, 20,800 hectares is 21.60 times the size of Oregon's Armillaria ostoyae, and the size of Oregon's Armillaria ostoyae is 0.0463 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 965 hectares 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.
It's about one-twentieth as big as Fort Bliss.
In other words, 20,800 hectares is 0.0459 times the size of Fort Bliss, and the size of Fort Bliss is 21.80 times that amount.(near Las Cruces, New Mexico and El Paso, Texas)
Fort Bliss is the United States Army's second-largest installation with a total area of 453,000 hectares. It is known as the largest TRADOC (Training and Doctrine Command) site, the Army's largest maneuver area, and the country's largest contiguous tract of open airspace.
It's about one-twenty-fifth as big as Grand Canyon National Park.
In other words, 20,800 hectares is 0.0421856133 times the size of Grand Canyon National Park, and the size of Grand Canyon National Park is 23.70476380 times that amount.(Coconino County and Mohave Counties, Arizona, near Fredonia and Grand Canyon, Arizona)
Containing the 446 km (277 mi) Grand Canyon gorge, Grand Canyon National Park covers 493,059 hectares.
It's about one-twenty-fifth as big as Anchorage.
In other words, 20,800 hectares is 0.04094228 times the size of Anchorage, and the size of Anchorage is 24.424630 times that amount.(formally the Municipality of Anchorage, a.k.a. MOA) (Alaska)
The fourth-largest city in Alaska and in the country, Anchorage measures 508,032.30 hectares in total area. The city is the home of a large energy industry, a hub for air and overseas cargo traffic, and home to nearly half of Alaska's population.
It's about one-twenty-fifth as big as Prince Edward Island.
In other words, 20,800 hectares is 0.0365945 times the size of Prince Edward Island, and the size of Prince Edward Island is 27.32650 times that amount.(a.k.a. PEI, a.k.a. P.E.I., a.k.a. Île-du-Prince-Édouard, a.k.a. Eilean a' Phrionnsa, a.k.a. Garden of the Gulf, a.k.a. Birthplace of the Confederation, a.k.a. Île Saint-Jean)
Prince Edward Island, located off Canada's eastern coast in the Gulf of St. Lawrence, measures 568,391 hectares in total area. Significant among Prince Edward Island's industries is agriculture, with the island producing 1.3 billion kg (1.4 million tons) of potatoes each year — almost 21% the output of the US state of Idaho with 3% as much land.