According to the Los Angeles Times: That’s more than half the circumference of the globe, four times the span of the United States coast to coast and nearly 2 1/2 times the estimated length in a preliminary report released in 2009, two years into a project that saw the Chinese measure it for the first time.
How long is Great Wall of China?
The Great Wall of China is the longest in the world and has a main-line length of 3,460 km (2,150 miles – nearly three times the length of Britain – plus 3,530 km (2,193 miles) of branches and spurs.
Is the Great Wall of China longer than the earth?
The circumference of the earth is 40,075 km (24901.45 miles) so the total length of the great wall is equal to a little over half (52.9%) of the earth’s circumference.
How long is the Great Wall of China 2020?
The Official Length of the Great Wall: 21,196 km (13,170 mi)
Why is the Great Wall of China so long?
A preliminary study released in 2009 estimated the wall to be 8,850km long. The world’s largest man-made structure was built to protect China’s northern border. … Previous estimates of the wall’s length were mainly based on historical records.