The term "from where" can be easily replaced by several other synonyms, which convey the same meaning. Some of the most common synonyms for "from where" include "whence," "wherefrom," and "from whence." These synonyms have their roots in Old and Middle English language and are often employed in formal writing or in specific circumstances. Additionally, "which place," "from what location," and "from what point" can also serve as relevant synonyms. It is always a good practice to use synonyms while writing as they make the text more engaging and diverse. Therefore, one may interchange these synonyms for "from where" based on the context and preference.