It's about forty times as big as Rock Island
In other words, 1,544,500 dunams is 39.3770 times the size of Rock Island, and the size of Rock Island is 0.025396 times that amount.(a.k.a. Arsenal Island, a.k.a. Rock Island Arsenal) (Illinois, on the Iowa border) (land area only)
Rock Island measures 39,220 dunams in total area. It is known as the largest government-owned weapons manufacturing arsenal in the United States and the US Army's only active foundry, as well as a former Union prison camp during the American Civil War.
It's about 50 times as big as Inis Mór
In other words, the size of Inis Mór is 0.02 times 1,544,500 dunams.(a.k.a. Inishmore, a.k.a. Árainn Mhór, a.k.a. Inis Bant, a.k.a. Árainn na Naomh) (Connacht, Ireland)
The largest of the Aran Islands, Inis Mór measures 31,000 dunams. The west side of the island is home to the Poll na bPéist, a.k.a. the wormhole, a naturally-formed, 0.290 dunams, rectangular pool on the island's cliffside.
It's about one-fifty-fifth as big as Lake Superior
In other words, the size of Lake Superior is 53.20 times 1,544,500 dunams.(a.k.a. Lac Supérieur, a.k.a. Gitchigumi, a.k.a. Gitche Gumee) (surface area)
Both the largest of North America's Great Lakes and the largest freshwater lake in the world (by surface area), Lake Superior has a total area of 82,100,000 dunams. It borders the cities of Duluth, Minnesota and Thunder Bay, Ontario, Canada
It's about one-fifty-fifth as big as The Island of Ireland
In other words, 1,544,500 dunams is 0.018295 times the size of The Island of Ireland, and the size of The Island of Ireland is 54.660 times that amount.(a.k.a. Éire, a.k.a. Airlann)
The island of Ireland - split between the Republic of Ireland and Northern Ireland - covers 84,421,000 dunams. The island has been populated for over 9,000 years.
It's about 60 times as big as Tuvalu
In other words, 1,544,500 dunams is 59 times the size of Tuvalu, and the size of Tuvalu is 0.017 times that amount.(a.k.a. Ellice Islands)
Tuvalu is a chain of islands totaling 26,000 dunams in area and located midway between Hawaii and Australia, near Samoa and Fiji. It is the third-least populated nation in the world, with just 11,992 citizens and residents.
It's about 75 times as big as Nauru
In other words, the size of Nauru is 0.014 times 1,544,500 dunams.(a.k.a. Republic of Nauru, a.k.a. Pleasant Island)
The world's smallest island nation, Nauru is a Micronesian island with a total area of 21,000 dunams. Once a prosperous phosphate mining nation with the highest per-capita income of any nation, today 90% of the population is unemployed.
It's about 75 times as big as Indira Gandhi International Airport (DEL)
In other words, 1,544,500 dunams is 74.760 times the size of Indira Gandhi International Airport (DEL), and the size of Indira Gandhi International Airport (DEL) is 0.01338 times that amount.(Palam, Delhi, India) (total site area)
Indira Gandhi International Airport covers a total area of about 20,660 dunams, including three main terminals and three main runways. The airport offers a total runway length of 11,053 m.