According to Baidu map information, the distance from Kaifeng to Zhengzhou is 78.5 kilometers, and the driving time is 1 hour 13 minutes, passing through Lianhuo Expressway and Longhai Expressway.

You can also take bus No.28 at Kaifeng municipal government, transfer to Ryan intercity bus, transfer to bus No.308, and then transfer to subway 1 line to reach Zhengzhou downtown. The driving distance is 70.2 kilometers, which takes 3 hours 12 minutes.