Which line should I take from Nanjing South to Maqun subway station?

Take subway line 3 and transfer to subway line 2.

1, get on at Nanjing South Railway Station, take Metro Line 3, and get off at Daxing Palace Station.

2. Get on the bus at Daxing Palace Station, take Metro Line 2, and get off at Maqun Station in the direction of Tianlu, then you can reach Maqun subway station.

3. Take subway line 3 from Nanjing South to Maqun subway station, and then transfer to line 2. The whole journey is about 19.2km, which takes about 44 minutes.