The phrase "fly over" can be synonymous with several other phrases, including "pass over," "soar over," and "glide over." Each of these phrases conveys the idea of passing over a location or area while in flight. Additional synonyms for "fly over" can vary depending on the context and tone of the sentence. For example, "buzz over" might imply a louder and more invasive approach, while "cross over" might suggest a more deliberate and intentional flight pattern. Regardless of the specific phrasing used, each of these synonyms implies a sense of motion and movement through the air.