The walking route from No.8 Guangqumenwai Street, Chaoyang District, Beijing to sihui station is as follows:

1. Depart from No.8 Guangqumenwai Street and walk to Guangqumen subway station (about 1.1 kilometers, about 15 minutes' walk).

2. Take Metro Line 7 at Guangqumen Station, and go to Shaoyaoju Station in Xizhimen direction (it takes about 18 minutes to arrive after 5 stops).

3. change to subway line 1 at shaoyaoju station and go to sihui station in Jinsong direction (it takes about 7 minutes to arrive after 2 stops).

4. You can get to sihui station when you get out of the subway station, and you can transfer to the corresponding subway line or get out of the city bus according to the signs in the station.

the total time is about 4 minutes, and the specific time may be affected by traffic conditions. It is recommended that you plan your time in advance and leave some redundant time to deal with unexpected situations.