Chang'an, also known as 30,000 Miles from Chang'an, is a 2023 Chinese 3D animated historical drama film directed by Xie Junwei and Zou Jing. It follows the story of the decades-long friendship of poets Li Bai and Gao Shi amid the Tang dynasty's transition from peak prosperity to the turmoil of the rebellion led by An Lushan, one of Emperor Xuanzong's most favored generals. The film was produced by Light Chaser Animation Studios, Alibaba Pictures, Tianjin Maoyan Weiying Culture Media, Weibo Corporation, in association with China Film Co., Ltd.. The film premiered in China on 8 July 2023. At 168 minutes long, the film is tied with In This Corner of the World as the longest theatrically released animated films.