9. Paved Roads cnn.com Only 3% of the North Korean roads are paved. AlmostĀ 730 kilometers. Post navigation Researchers Discovered How To Make Your Mom Live Longer: Spend More Time Together! 15+ Most Expensive Homes In The World 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20