If your interviewers ask you to distinguish yourself from other applicants, you can take this opportunity to highlight your accomplishments and outline your goals for the new position. You should treat the situation as if your interviewers are unaware of the details of your contributions, because they might be, and use numbers and data to quantify your achievements. Discuss your unique skill set, and explain why it is optimal for the new role.
To ensure that you understand the job and that you are prepared for the position, your interviewers may ask what you plan to accomplish in your first month in the new role. Consider discussing the goals you would set, the teamwork initiatives you would start and the ways you would measure success.