Take the subway 16 to Metro Line 6 and then to Metro Line 4. According to Baidu map, Hannan District is 34.4 kilometers away from Wuchang Railway Station. You can take the subway 16 to subway line 6 to subway line 4, which takes 1 hour, 1 minute. The specific route is as follows:

1. Take the subway 16 at Guizihu subway station in Hannan District.

2. Secondly, transfer to Metro Line 6 at Guo Bo Central South Station.

3. Finally, transfer to Metro Line 4 at Zhongjiacun Station and arrive at Wuchang Railway Station.