It's about five times as big as Delaware.
In other words, 31,000,000 dunams is 4.80830400672320 times the size of Delaware, and the size of Delaware is 0.207973538819870 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-fifth as big as Illinois.
In other words, 31,000,000 dunams is 0.206670 times the size of Illinois, and the size of Illinois is 4.8386320 times that amount.(United States)
The "Land of Lincoln," Illinois measures 149,997,600 dunams in total area. Though the Mississippi River marks the western border of the state at nearly all points, the 69,930 dunams area of Kaskaskia township has lain to the west of the River since an 1881 flood altered its course.
It's about one-fifth as big as Georgia.
In other words, 31,000,000 dunams is 0.20141710 times the size of Georgia, and the size of Georgia is 4.9648220 times that amount.(United States)
The "Peach State," Georgia measures 153,909,500 dunams in total area. In early 2008 (and on other, prior occasions), several legislators from drought-stricken Georgia alleged that an 1818 surveyor's error had placed the Georgia-Tennessee border 1.71 km (5,600 ft) south of where Congress had intended — an added distance which would allow Georgia access to the Tennessee River.
It's about five-and-a-half times as big as Prince Edward Island.
In other words, 31,000,000 dunams is 5.453990 times the size of Prince Edward Island, and the size of Prince Edward Island is 0.1833520 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-fifth as big as Wisconsin.
In other words, 31,000,000 dunams is 0.18274140 times the size of Wisconsin, and the size of Wisconsin is 5.4722140 times that amount.(United States)
The "Badger State," Wisconsin measures 169,638,600 dunams. The city of Green Bay, Wisconsin (and the Green Bay Metropolitan Statistical Area), the home of the National Football League's Green Bay Packers, is the smallest city by area to host an NFL team at just 140,700 dunams.
It's about one-fifth as big as Florida.
In other words, 31,000,000 dunams is 0.18202790 times the size of Florida, and the size of Florida is 5.4936630 times that amount.(United States)
The "Sunshine State," Florida measures 170,303,600 dunams in total area. Florida has 1,067 km (663 mi) of oceanfront beaches and 1,926.38 km (1,197 mi) of coastline total.
It's about one-fifth as big as Missouri.
In other words, 31,000,000 dunams is 0.17171350 times the size of Missouri, and the size of Missouri is 5.8236540 times that amount.(United States)
The "Show Me State," Missouri measures 180,533,300 dunams in total area. The Cathedral Room of Marvel Cave in Branson, Missouri measures roughly 534,750 cu. m (18,884,518.03 cu. ft) and was the site Don Piccard's hot air balloon flight which set the record for highest underground altitude.