a group of 20 going from Beijing to Zhengzhou on Nov. 13th and returning to Beijing on Nov. 21.

There is around 450 miles between the two cities. You can take a direct long-distance bus at local Liuliqiao Long-distance Bus Terminal. It costs 200RMB per person and takes 9-10h. For the back journey, you can take the bus at Zhengzhou General Bus Terminal and only one bus is in operation at 19:30. The ticket fare is 180RMB.

Apart from the bus service, you may also choose the high-speed train to go. The fare is 315RMB and 502RMB, respectively for the second class seat and first class seat.