It's about twenty-and-a-half times as big as Hawaii (Island)
In other words, 213,096,000 dunams is 20.42620 times the size of Hawaii (Island), and the size of Hawaii (Island) is 0.0489567 times that amount.(a.k.a. Hawaii, a.k.a. The Big Island) (Hawaii)
The largest of the main Hawaiian Islands and the largest island in the United States, Hawaii measures 10,432,500 dunams in total area. It is known for its continuously erupting (for the past two decades, as of 2011) volcano, Kīlauea, and for the black sand beaches formed by the lava flow.
It's about thirty times as big as Ottawa
In other words, 213,096,000 dunams is 31.48860 times the size of Ottawa, and the size of Ottawa is 0.0317575 times that amount.(a.k.a. Ville d'Ottawa) (Ottawa metropolitan area) (Canada)
The capital and fourth-largest city of Canada, Ottawa measures 6,767,410 dunams. For many years, the skyline of Ottawa was dominated by the Peace Tower (la Tour de la Paix), with city ordinances preventing other structures from exceeding its 92.2 m height.
It's about thirty times as big as Tshwane
In other words, 213,096,000 dunams is 33.460 times the size of Tshwane, and the size of Tshwane is 0.02989 times that amount.(a.k.a. Pretoria, a.k.a. ePitoli, a.k.a. Jacaranda City) (Gauteng, South Africa) (for Tshwane metro area)
Tshwane, South Africa's executive capital, measures 6,368,000 dunams in total metro area. The Reserve Bank of South Africa is the city's tallest building at 150 m in height.
It's about forty times as big as Prince Edward Island
In other words, 213,096,000 dunams is 37.49110 times the size of Prince Edward Island, and the size of Prince Edward Island is 0.026673 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 5,683,910 dunams 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.
It's about one-fortieth as big as Brazil
In other words, 213,096,000 dunams is 0.02502632 times the size of Brazil, and the size of Brazil is 39.957930 times that amount.(a.k.a. Brasil, formally the Federative Republic of Brazil, a.k.a. Rep&blica Federativa do Brasil)
Brazil measures 8,514,877,000 dunams in total area. Brazil is the world's fifth-largest country by area and eighth-largest economy (by GDP).
It's about 40 times as big as Calgary
In other words, 213,096,000 dunams is 41.70 times the size of Calgary, and the size of Calgary is 0.0239808 times that amount.(Calgary metro) (Canada)
One of the largest cities in Canada, Calgary measures 5,110,210 dunams. Calgary has a large parks system, with 800 km of pathways connecting the city's various parks.
It's about 45 times as big as Grand Canyon National Park
In other words, 213,096,000 dunams is 43.21916080 times the size of Grand Canyon National Park, and the size of Grand Canyon National Park is 0.0231378856 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 4,930,590 dunams.