<human>:  How long will it take to walk from one end of the Great Wall of China to the other?
<bot>: The exact length of the total Great Wall of China is unknown and varies depending on the given source, however, it is estimated that the Great Wall is at least 8,851.8 kilometres (5,500 miles) long. At a comfortable walking pace, it would likely take around six months to walk the entire length of the Wall.