5.28 square kilometers (the largest World's Fair site ever).
The total distance from the US state of Washington to Shanghai, China, is 5,773 miles, or 9,291 kilometres.
Africa covers a total area of 30,221,532 square kilometres.
The total area of the Repbulic of Haiti is 27,750 square kilometres. Land Area: 27.560 square kilometres Water Area: 190 square kilometres
Australia's total area is 7,692,024 square km or 2,969,907 square miles. It is the world's sixth largest country by area.
Brazil occupies over 8.5 million square kilometres. This is 15% of the world's total land mass
Northumberland's total area is 5,013 km2
Canada has a total land area of approximately 9.98 million square kilometers, making it the second-largest country in the world by land area.
Scotland's area is 78,772 square kilometres.
The Republic of Ireland has a total area of 70,283 square kilometres or 27,136 square miles. The entire island of Ireland is 81,638 square kilometres or 31,520 square miles.
Zimbabwe - 150,803.72 square miles.
around 665 square kilometres
The world's land area is 197,000,000 square miles (510,000,000 square kilometers).