About 1 hour and 43 minutes.

According to Baidu Map, the high-speed rail route from Zhangjiajie to Changsha is as follows: Take the G5695 train at Zhangjiajie West Station and get off at Jianshan Station. The whole journey takes about 1 hour and 43 minutes.

Take train G5693 at Zhangjiajie West Station and get off at Kaifusi Station. The whole journey takes about 1 hour and 48 minutes.

Changsha delicacies include: sugar and oil cakes, sweet wine, shaved jelly, stinky tofu, stir-fried pork, Changsha rice noodles, flavored shrimp, bundled chicken, braised pork, preserved egg with pepper, meatball soup, Deyuan steamed buns, etc.