It's about one-and-a-half times as big as Jacksonville.
In other words, 3,500,000 dunams is 1.5356390 times the size of Jacksonville, and the size of Jacksonville is 0.65119470 times that amount.(Florida)
The largest city in Florida and the fifth-largest city in the country, Jacksonville measures 2,279,181 dunams in total area. The city is known for its diversified industrial and manufacturing base and as a transportation hub, featuring a prominent deep-water port, a large airport, and extensive rail yards.
It's about three-fifths as big as Prince Edward Island.
In other words, 3,500,000 dunams is 0.6157730 times the size of Prince Edward Island, and the size of Prince Edward Island is 1.623980 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-and-four-fifths times as big as Anaconda.
In other words, 3,500,000 dunams is 1.8230 times the size of Anaconda, and the size of Anaconda is 0.548550 times that amount.(Anaconda City/Deer Lodge County) (Montana)
The consolidated city-county of Deer Lodge County (of which Anaconda is the county seat) measure 1,919,900 dunams in total area. The town of Anaconda is named after the Anaconda Mine owned by the town's founder, Marcus Daly, and was itself the namesake of the Anaconda Copper Company, one of the largest trusts of the twentieth century.
It's about half as big as Delaware.
In other words, 3,500,000 dunams is 0.542873033017130 times the size of Delaware, and the size of Delaware is 1.84205134383320 times that amount.(United States)
The "First State," Delaware measures 6,447,180 dunams in total area. Its 19.3 km (12 mi) border with Pennsylvania, referred to as "Twelve-Mile Circle" is the only circular state boundary in the United States.
It's about one-and-nine-tenths times as big as Maui.
In other words, 3,500,000 dunams is 1.85820 times the size of Maui, and the size of Maui is 0.538160 times that amount.(Hawaii)
The second-largest of the Hawaiian Islands, Maui measures 1,883,500 dunams in total area. It is known as the home of the Maui High Performance Computing Center and as a major tourist destination.
It's about one-and-nine-tenths times as big as Butte.
In other words, 3,500,000 dunams is 1.8851390 times the size of Butte, and the size of Butte is 0.53046490 times that amount.(The City and County of Butte-Silver Bow) (Montana)
The eighth-largest city in the country and the second-largest in Montana, the Butte-Silver Bow City County measures 1,856,627 dunams. The city was called "the Richest Hill on Earth" for its numerous copper, silver, and gold mines.
It's about two times as big as Oklahoma City.
In other words, 3,500,000 dunams is 2.1690150 times the size of Oklahoma City, and the size of Oklahoma City is 0.46103880 times that amount.(a.k.a. OK City, a.k.a. OKC) (Oklahoma)
The capital and largest city in the state, Oklahoma City measures 1,613,636 dunams. The city is known for its energy exploration and information technology industries and as the location of the 1995 bombing of the Murrah Federal Building by Timothy McVeigh.