C123 Settlement of Huai'an
Even though the world was big and the empire couldn't be, the person Miaoyin had offended wasn't the emperor, but Noble Consort. Noble Consort might be powerful, but there was a realm that she couldn't reach.
If she wanted to avoid Noble Consort and Yuan Qianmo, she would have to go outside of their area of influence.
For example: Huai'an City