According to the map of Gaode, it takes 8 hours and 58 minutes from Suzhou to Zhengzhou.
The route is as follows:
1. Walk from Suzhou 1.6 km to Sanxiang Square subway station.
2. Take Rail Transit Line 2 here to Suzhou Railway Station.
3. After getting off, walk 44 meters to Suzhou Railway Station, where you can take the Z304 train to Zhengzhou Railway Station.
4. Get off the bus and take a taxi for 5.6 kilometers to reach the destination.