674 kilometers. According to Baidu map query, Shangqiu is located in a prefecture-level city in Henan Province, Xi 'an is located in the northwest of China, and the distance between Shangqiu and Xi 'an is 674 kilometers. Xi 'an, referred to as "Gao", was called Chang 'an and Haojing in ancient times. It is the capital of Shaanxi Province, a sub-provincial city, a megacity, the core city of Guanzhong Plain urban agglomeration, and an important central city in western China determined by the State Council.