It can be realistic, especially if you have a credible connection to the target market. Language ability, citizenship or work authorization, family ties, previous time in the country, and a clear long-term reason for the move can all strengthen the story.
The main challenge is proving that the office choice is intentional rather than random. Recruiters may also have different rules for cross-office applications, so confirm whether you should apply directly to that office or through a broader regional process.
Network before applying. A few conversations with people in the target office can help you understand hiring needs, language expectations, and whether your background fits the local pipeline. If you cannot explain why that office specifically, the application will be harder to sell.