It's about as big as Montana
It's about one-and-one-tenth times as big as The Great Barrier Reef
In other words, 380,838,070 dunams is 1.09 times the size of The Great Barrier Reef, and the size of The Great Barrier Reef is 0.9170 times that amount.(a.k.a. Barrier Reef) (Coral Sea, off Queensland, Australia) (approximate)
The Great Barrier Reef, the largest such reef in the world, covers about 348,000,000 dunams. Reefs, such as the Great Barrier, grow in diameter at a rate of 1 to 3 cm per year.
It's about nine-tenths as big as California
In other words, 380,838,070 dunams is 0.898267440 times the size of California, and the size of California is 1.11325420 times that amount.(United States)
The "Golden State," California measures 423,969,580 dunams in total area. California is home to both the highest point — Mt. Whitney at 4,421 m (14,505 ft) — and lowest point — Death Valley at 85.5 m (282 ft) below sea level — in the continental United States, the two of which are separated by just 123 km (76 mi).
It's about one-and-a-half times as big as Michigan
In other words, 380,838,070 dunams is 1.520350 times the size of Michigan, and the size of Michigan is 0.65774330 times that amount.(United States)
The "Great Lakes State," Michigan measures 250,493,600 dunams in total area. According to some studies, there is no point in Michigan that is more than 9.66 km (6 mi) from a lake or 136.79 km (85 mi) from a Great Lake.
It's about one-and-seven-tenths times as big as Minnesota
In other words, 380,838,070 dunams is 1.6913310 times the size of Minnesota, and the size of Minnesota is 0.59125030 times that amount.(United States)
The "North Star State," Minnesota measures 225,170,600 dunams in total area. Due to an error in the map used while writing the Treaty of Paris, a 1,544,500 dunams segment of Minnesota called the "Northwest Angle" lies north of the 49th parallel, which marks the border between the contiguous United States and Canada across the western remainder of the two countries.
It's about one-and-four-fifths times as big as Kansas
In other words, 380,838,070 dunams is 1.787170 times the size of Kansas, and the size of Kansas is 0.5595440 times that amount.(United States)
The "Sunflower State," Kansas measures 213,096,000 dunams in total area. The point said to be the geographic center of the continental United States is located near Lebanon, Kansas.
It's about half as big as Texas
In other words, 380,838,070 dunams is 0.547479160 times the size of Texas, and the size of Texas is 1.82655350 times that amount.(United States)
The "Lone Star State," Texas measures 695,621,130 dunams in total area. Texas covers so much area that Texarkana — a city in the state's northeastern corner — is about 30 km closer to Chicago, Illinois, than it is to El Paso — in the western corner of Texas.