World's 9 Longest Roads That Stretch Across ContinentsWorld's 9 Longest Roads That Stretch Across Continents(3,073 miles)9. US Route 30(3,205 miles)8. US Route 6(3,365 miles)7. US Route 20(4,500 miles)6. Trans-Sahara Highway (4,860 miles)5. Trans-Canada Highway(5,700 miles)4. China National Highway 010 (9,000 miles)3. Australia's Highway(11,000 miles)2. Trans-Siberian Highway(19,000 miles)1. Pan-American Highway Stay Tuned For More Updates