How to go by metro from West Railway Station to Russian Embassy of Beijing?

Take metro line 9 from West Railway Station to National Library Station. Next, change to metro line 4 to Xizhimen Station. Then, transfer to metro line 2 to Dongzhimen Station, Exit G. The trip takes about 35 minutes, and the fare totals CNY 5.

Upon arrival, walk north for about 300 yards, and turn left onto Min'an Street. Continue to walk west for about 400 yards, and you can see the embassy. :)