Take the outer ring of Metro Line 4, Metro 14. According to Baidu map, it is 9.3 kilometers from Shanghai Station to Hongkang Hospital, and it takes 47 minutes by subway. The specific subway routes are as follows:

1. First get on the outer ring of Metro Line 4 at Shanghai Railway Station (in the direction of Yishan Road).

2. Secondly, get off at Caoyang Road Station and transfer to the subway 14 line (interception direction).

3. Finally get off at Tongchuan Road Station (1 exit).