5 hours and 22 minutes. According to the map of wiping the lake, find Baidu, Xi 'an is in Xi 'an, Shaanxi, and Zhengzhou is in Zhengzhou, Henan. The distance between the two places is 482 kilometers and it takes 5 hours and 22 minutes to drive. The way is Lianhuo Expressway. You can also take the G362 train at Xi North Station and get off at Zhengzhou East Station. Whole journey 1 hour 48 minutes. Xi 'an, formerly known as Chang 'an and Haojing, is a prefecture-level city under the jurisdiction of Shaanxi Province. It is the capital, sub-provincial city, mega-city and national central city of Shaanxi Province.