28 kilometers. According to Baidu map, Xuanyuanqiu Toll Station is located in xinmi city, Zhengzhou City, Henan Province, 28 kilometers away from Zhengzhou. Zhengzhou, referred to as Shangdu for short, is the capital of Henan Province, a megacity and the core city of Central Plains urban agglomeration. The State Council approved it as an important central city in central China and an important comprehensive transportation hub of the country.