Which two countries share the longest land border? 👤 By The Quiz Wire ✅ Fact Checked 📊 Difficulty Easy 📅 Last Updated 01 Dec 2025 A. Russia/China B. US/Mexico C. Canada/US D. Russia/Kazakhstan 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
