take the inner ring of metro line 4 and metro line 2. According to the Baidu map, it takes 43.9 kilometers from Shanghai Railway Station to Pudong airport metro, and the whole journey takes 1 hour and 11 minutes. It can be reached by taking the inner ring of Metro Line 4 and Metro Line 2. The specific route is:

1. First, walk 11 meters to Shanghai Railway Station, take the inner ring of Metro Line 4, and then arrive at century avenue after 7 stops.

2. Next, walk for 11 meters, arrive in century avenue, take Metro Line 2, pass 14 station and arrive at Pudong International Airport.

3. finally, walk for 11 meters and arrive at the terminal Pudong airport.