Which two countries share the longest land border? 👤 By TheQuizWire ✅ Fact Checked 📊 Difficulty Easy 📅 Last Updated 01 Dec 2025 A. US/Mexico B. Canada/US C. Russia/Kazakhstan D. Russia/China Check Answer 💡 Explanation: The border between Canada and the United States is the longest international land border. 📚 Topics: Borders and Boundaries Geography 🎯 Exams: GEN US_COMP
