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Earth has a total surface area of about 510 million square kilometers, of which approximately 29% is land and 71% is water. This means that about 148 million square kilometers of land surrounds the Earth.
The world's land area is 197,000,000 square miles (510,000,000 square kilometers).
Land on Earth covers approximately 148,940,000 km².
That would be the radius of the earth which is:6,378.1 kilometers
510 million km² TOTAL WORLD SURFACE 362 million km² WATER SEAS %71 148 million km² LAND %29
The United Kingdom covers approximately 0.13% of the Earth's total land mass. With an area of around 243,610 square kilometers, the UK's size is relatively small compared to the vast expanse of the Earth's land, which totals about 148.9 million square kilometers.
The land mass of the US has an area of 9,161,922 square kilometers.
1216 Billion Kilometers
Earth's equator is about 40,075 kilometers (24,901 mi) long; 78.7% is across water and 21.3% is over land.
By unit of length and distance and conversion ,we can say that Earth is of 6400 km radius .
The Earth has a total land area of approximately 57.5 million square miles or 148.9 million square kilometers. This land area includes continents, islands, and other landmasses.
141.9 trillion kilometers