What are the Australia's longest roads? Top 13
Australia is a vast country, and traversing epic, lengthy roads is a common experience. Given the extensive distances between population centers, certain roads are exceptionally long, featuring trivia signs aimed at keeping drivers alert to enhance safety and reduce accidents and fatalities.
Whether winding through the stunning Outback or stretching across the coastal landscapes, these roads offer not just a journey but an exploration of the vastness that defines Australia.
| Road | States | Length | Highest Point | Lowest Point |
| Great Northern Highway | WA | 3.195km (1,985mi) | 748m | 0.54m |
| Stuart Highway | NT-SA | 2.834km (1,761mi) | 731m | 9.32m |
| Eyre Highway | SA-WA | 1.675km (1,041mi) | 435m | 2.28m |
| Bruce Highway | Q | 1.652km (1,027mi) | 192m | 1.57m |
| Diamantina Developmental Rd | Q | 1.344km (835mi) | 426m | 72.6m |
| Anne Beadell Highway | SA-WA | 1,340km (832mi) | 478m | 161m |
| North West Coastal Highway | WA | 1.299km (807mi) | 287m | 4.98m |
| Mitchell Highway | Q-NSW | 1.105km (687mi) | 1.020m | 103m |
| Burke Developmental Road | Q | 1.079km (670mi) | 645m | 1.8m |
| Landsborough Highway | Q | 1.049km (652mi) | 476m | 166m |
| Tanami Road | WA-NT | 1.013km (629mi) | 740m | 302m |
| Barrier Highway | NSW-SA | 1.014km (630mi) | 609m | 70.5m |
| Trans Access Road | WA-SA | 993km (617mi) | 407m | 95.6m |
Road length is an approximation only. Some roads are split into more than one part because they pass through a place where the road is differently named.