Planning a memorable birthday surprise for your girlfriend who lives in a different country can be a challenging yet rewarding endeavor. Start by coordinating with her friends or family who may be close by to ensure she doesn't spend her birthday alone. Arrange for a surprise video call or virtual party with her loved ones to create a sense of togetherness. Consider sending her a care package filled with items that remind her of home or thoughtful gifts she'd appreciate. You could also order a local experience or food delivery from her favorite restaurant to her doorstep, allowing her to enjoy a taste of her favorite cuisine. Another idea is to create a surprise digital scrapbook or video message with contributions from friends and family sharing their birthday wishes. Remember, it's the effort and thought you put into making her feel special from afar that truly matters.