It's about three-and-a-half times as big as Washington, D.C..
In other words, 650,000 dunams is 3.670 times the size of Washington, D.C., and the size of Washington, D.C. is 0.2720 times that amount.(formally the District of Columbia, a.k.a. Washington, a.k.a. the District, a.k.a. DC) (United State)
The United States' capital and only federal district, Washington, D.C. is a 177,000 dunams area located between the states of Virginia and Maryland. Washington, D.C. is known as the center of each of the three branches of the United States federal government and as home to many of the nation's monuments, museums, and foreign embassies.
It's about one-fourth as big as Fort Irwin.
In other words, 650,000 dunams is 0.250 times the size of Fort Irwin, and the size of Fort Irwin is 4 times that amount.(San Bernardino County, California)
Fort Irwin measures 2,600,000 dunams in total area. It is known as part of the Installation Management Command and as the home of the Army's National Training Center.
It's about one-fifth as big as Yosemite National Park.
In other words, 650,000 dunams is 0.2147430 times the size of Yosemite National Park, and the size of Yosemite National Park is 4.656730 times that amount.(Tuolumne, Mariposa, and Madera counties, California, near Mariposa, California) (total land area)
Famous for its granite cliffs and Giant Sequoia groves, Yosemite National Park is 3,026,870 dunams in total area, of which 208,000 dunams is the well-known Yosemite Valley. The Park is known as the home of Yosemite Falls — the highest waterfall in North America and sixth highest in the world at 739 m (2,420 ft)
It's about one-fifth as big as Big Bend National Park.
In other words, 650,000 dunams is 0.2004820 times the size of Big Bend National Park, and the size of Big Bend National Park is 4.987980 times that amount.(Brewster County, Texas, near Alpine, Texas)
Located on the Rio Grande (a.k.a. Rio Bravo) which forms part of the boundary between the United States and Mexico, Big Bend National Park occupies 3,242,190 dunams. With less than half a million visitors per year, Big Bend is one of the continental United States' least trafficked parks.
It's about six times as big as Hilton Head.
In other words, 650,000 dunams is 5.970860 times the size of Hilton Head, and the size of Hilton Head is 0.167480 times that amount.(a.k.a. Hilton Head Island) (South Carolina)
Hilton Head Island measures 108,860 dunams in total land area. The island (and city of the same name) is located in the Atlantic Ocean and is known as popular vacation destination.
It's about one-fifth as big as Rhode Island.
In other words, 650,000 dunams is 0.1624330 times the size of Rhode Island, and the size of Rhode Island is 6.156380 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 4,001,660 dunams in total area. Several large bays totaling 2,706,000 dunams make up 32.4% of its total area.
It's about six-and-a-half times as big as Disney World.
In other words, 650,000 dunams is 6.440 times the size of Disney World, and the size of Disney World is 0.1550 times that amount.(a.k.a. Walk Disney World Resort, a.k.a. Walt Disney World, a.k.a. WDW) (Lake Buena Vista and Bay Lake, Florida) (total site)
Disney World currently occupies 101,000 dunams. Part of the former total area of 120,000 dunams now comprises the Disney planned community of Celebration, Florida.