Is Guizhou far from Guangxi?

Not far. According to the distribution of provinces in China Map, the northwest of Guangxi borders Guizhou, and the two provinces are adjacent, and the distance is not far. According to Baidu map query, you can take the D4779 train from Guizhou to Guangxi, take the D4779 train at Longdongbao Station and get off at Nanning East Station. The whole journey takes 5 hours 18 minutes, and you can also drive. The distance between the two places is 55 1.2 km, and it takes 7 hours and 5 minutes to pass through Xiamen-Chengdu Expressway and Lanhai Expressway.