About 637.6 kilometers.
According to the search on Baidu Map, it is known that the total distance from Nanchang to Xiamen is about 637.6 kilometers, which takes about 7 hours and 10 minutes by self-driving, passing through Fuyin Expressway and Shaxia Expressway.
Xiamen’s delicacies: fried oysters, roasted pork rice dumplings, duck porridge, Mingyue shrimp noodles, taro buns, fish ball soup, noodle paste, Ye’s sesame seeds, and Tong’an pork.