Nihao From Guilin Bus station (near by side Railway Station) to Guangzhou

by bus/private coach,express bus, which station if I wanna arrivaling the comfortable station and nearest to GZ Railway Station?: Provincial Long-Distance Bus Station or,Long-Distance Bus Station or Tianhe Long-Distance Bus Station or South Yuexiu Long-Distance Bus Station or Fangcun Long-Distance Bus Station or Luochongwei Long-Distance Bus Station plz advise me Thanks for attention