K-Dramas like The Longest Day in Chang'an

10 shows with a similar feel

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  The Legend of the Condor Heroes (2017)Also action & adventure

  During the Southern Song dynasty, Guo Jing and Yang Kang, two boys orphaned by war, grow up on opposite paths—one becoming a patriotic hero, the other consumed by ambition and betrayal.
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  Pursuit of Jade (2026)Also action & adventure

  This drama follows Fan Changyu, a butcher’s daughter, and Xie Zheng, a fallen noble seeking revenge. Their fake marriage turns into true love, but war tears them apart. Determined, Fan Changyu wields her butcher’s knife on the battlefield, searching for justice and her husband. Meanwhile, Xie Zheng reclaims his title, fighting to protect his country and love. Reunited in battle, they stand together, defying fate, uncovering the truth, and returning home without forgetting their vows.

  6 tracking it here
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  The Imperial Coroner (2021)Also mystery

  A female coroner and royal detective solve a decades-old mystery in Tang Dynasty China, risking all to expose dangerous secrets.
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  Fen Jie Xian (2022)Also mystery

  A desperate father’s robbery to save his sick daughter unravels a conspiracy of corruption and drug trafficking, facing a critical choice between escape and justice.
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  Ugly Beauty (2021)Also mystery

  When shy and kind-hearted Xiao Mu secretly takes the place of her bold twin sister, Yao Menggui, she goes from a delivery clerk to a famous star overnight. Suspicious of her sudden rise, reporter Chen Mo poses as her manager to uncover the truth. But as he gets closer, he must choose between revealing the scoop of a lifetime or protecting the woman he's fallen for.
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  The Fearless (2019)Also mystery

  A reborn gangster accidentally found himself being able to see ghosts, which led to a life-changing experience. "Guests" came to him for help one after another... Started from death, what did they want him to see?
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  Vagabond (2019)Also mystery · action & adventure

  Stuntman Cha Dal-geon gets involved in a tragic airplane crash and ends up discovering a national corruption scandal in the process. Go Hae-ri, the oldest daughter of a deceased marine, decides to work for the National Intelligence Service as a secret ops agent in order to support her mom and younger siblings, although all she wanted to do is to become a civil servant.

  7 tracking it here
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  My Naughty Classmates (2018)Also mystery

  The resourceful protagonist Zhang Yi (Liang Dawei) sought medical expenses for the weak and sick sister Zhang Ying (Jinmeng Yangzi), and entered the college with the purpose of finding the legendary treasure of the heavens, and met the Mohist school here. The descendant of Duanmuzheng (Zhang Ruihan), the sultry and human librarian Nantang Prince Li Yuyu (Li Wenhan), the melancholy divination of the divination girl Cui Jialuo (Zhang Xixi) and the innocent and lively Korean Princess Wang Enzhu (Ai Xiaoqi).
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  My Country: The New Age (2019)Also action & adventure

  Set during the turbulent time of the fall of Goryeo and the founding of Joseon, two former friends face-off against one another over a woman and the future shape of the nation.

  1 tracking it here
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  Gap Dong (2014)Also mystery

  20 years ago Moo-Yeom’s father was a suspect in the "Gap Dong” serial murder case. Because of the detectives’ oppressive investigation, Moo-Yeom’s father killed himself. Now, Moo-Yeom is a detective and works to capture the killer Gap Dong. The statue of limitations has expired for the serial murder case and Moo-Yeom resigns to the belief that Gap Dong is dead. New clues though for Gap Dong appears in front of Moo-Yeom and he sets out to catch him once and for all.

  2 tracking it here