According to Baidu map, the distance from Zhangjiajie to Xi 'an is 928.28km, passing through 228 Provincial Highway, G55 13 Zhang Chang Expressway, 304 Provincial Highway, 207 national highway, G55 Erguang Expressway, G70 Yin Fu Expressway, G40 Hushan Expressway and G65 Baomao Expressway, and the driving time is 12 hours and 6 minutes.