8.8 kilometers.
Attachment: Walk about 60 meters from Guangzhou Vocational and Technical College of Industry and Commerce to Haibu Station (Huadu), take Huadu 62 Road (Shiling-Huadu Bus Terminal) (take 14 stops) and get off at Erqi Huadu Bus Terminal (Xiuquan Avenue). Walk about 30 meters to Huadu Bus Terminal (Xiuquan Avenue).
If you are going to the long-distance bus station, walk about 60 meters from Guangzhou Vocational and Technical College of Industry and Commerce to Haibu Station (Huadu), take Huadu 82 Road (Shiling-Xinhua) (take 14 stops), Huadu 81 Road (Coral-Xinhua) (take 16 stops) and Huadu 80 Road (Yishan-Xinhua) (take 16 stops) and get off at Guangzhou North Railway Station (Huadu). Walk about 560 meters to Huadu coach station (Nongxin Road).