There are many ways to show appreciation for your global friends, including expressing gratitude, offering support, sending thoughtful gestures or gifts, and being present in their lives. Express gratitude for their friendship and the positive impact they've had on your life, and let them know how much you value and appreciate their presence. Offer support and encouragement during challenging times, and celebrate their successes and achievements with them. Send thoughtful gestures or gifts as tokens of appreciation and friendship, such as handwritten letters, care packages, or digital surprises. Finally, be present in their lives and make an effort to stay connected and engaged, even if you can't physically be together.