It's about one-fifty-thousandth as big as Hawaii (Island).
In other words, 200 dunams is 0.00001917090 times the size of Hawaii (Island), and the size of Hawaii (Island) is 52,162.40 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 one-sixty-five-thousandth as big as Sitka.
In other words, 200 dunams is 0.000015923090 times the size of Sitka, and the size of Sitka is 62,801.880 times that amount.(a.k.a. the City and Borough of Sitka) (Alaska)
The second-largest city in both Alaska and the United States, Sitka measures 12,560,380 dunams in total area. The city is known as a major west coast seaport.
It's about one-sixty-five-thousandth as big as Glacier Bay National Park.
In other words, 200 dunams is 0.000015050 times the size of Glacier Bay National Park, and the size of Glacier Bay National Park is 66,450 times that amount.(a.k.a. Glacier Bay National Park and Preserve) (Hoonah-Angoon Census area, and Yakutat City and Borough, Alaska)
Containing nine tidewater glaciers, Glacier Bay National Park covers 13,290,000 dunams of which 10,760,000 dunams is designated a Wilderness Area. Glacier Bay is home to the 33.8 km (21 mi) long Margerie Glacier.
It's about one-seventy-thousandth as big as Connecticut.
In other words, 200 dunams is 0.00001393030 times the size of Connecticut, and the size of Connecticut is 71,786 times that amount.(United States)
The "Constitution State" or the "Nutmeg State," Connecticut measures 14,357,200 dunams in total area. The northern boundary between Connecticut and Massachusetts is an otherwise straight line marked by the 6,500 dunams "Southwick Jog" — a notch of Massachusetts extending southward into Connecticut near Congamond Lakes.
It's about one-ninety-five-thousandth as big as Lake Ontario.
In other words, 200 dunams is 0.000010550 times the size of Lake Ontario, and the size of Lake Ontario is 94,790 times that amount.(a.k.a. Lac Ontario) (surface area)
The smallest of North America's Great Lakes (by surface area), Lake Ontario has a total area of 18,960,000 dunams. It borders the cities of Toronto, Ontario, Canada and Rochester, New York.
It's about one-one-hundred-thousandth as big as Wales.
In other words, 200 dunams is 0.00000964690 times the size of Wales, and the size of Wales is 103,660 times that amount.(a.k.a. Cymru) (total area)
The area of the country of Wales (in the United Kingdom) is 20,732,000 dunams. More than 764,700 dunams, or about 4% of the country's land area, is made up of the fifty-plus islands in the Irish and Celtic Seas off the coast of the Welsh mainland.
It's about one-one-hundred-thousandth as big as New Jersey.
In other words, 200 dunams is 0.000008854220 times the size of New Jersey, and the size of New Jersey is 112,940 times that amount.(United States)
The "Garden State," New Jersey measures 22,588,100 dunams in total area. The Garden State Parkway — the busiest toll highway in the country — runs the 277 km (172 mi) length of New Jersey's coast.