Here are the world's longest highways, one of which stretches 30,500 km.

Highways are crucial infrastructure for facilitating mobilization, thus supporting economic and business activities in a region. Highways not only connect distant locations but also reduce transportation costs.

Several countries recognize the importance of highway access. Some have built incredibly long highway networks, exceeding 30,000 km. According to traveltrivia.com, here are ten of the world's longest highways:

1. Pan-American Highway (30,577.5 km)

The Pan-American Highway connects North and South America. Initially, it was a single route approximately 5,390 km long, running from Nuevo Laredo, Mexico to Panama City. It eventually extended from Alaska, Canada to Chile, Argentina, and Brazil.

2. Highway 1 (14,500.2 km)

Highway 1 in Australia provides access to all state capitals. Construction began in 1955 with the agreement of various Australian states.

3. Trans-Siberian Highway (10,943.5 km)

The Trans-Siberian Highway spans across Russia, stretching from St. Petersburg to Vladivostok, or from the Baltic Sea in the Atlantic to the Pacific Ocean. A significant portion was built by prisoners.

4. Trans-Canada Highway (7,821.4 km)

The Trans-Canada Highway is Canada's main highway, running east-west between the Pacific and Atlantic coasts, covering 7,821.4 km between Victoria (Vancouver Island, British Columbia) and St. John's (Newfoundland and Labrador).

5. Golden Quadrilateral National Highway (5,845.1 km)

The Golden Quadrilateral National Highway stretches from Tongjiang in Heilongjiang Province to Sanya in Hainan, China, and is one of the longest highways in China. Its construction is considered key to accelerating China's infrastructure development.

6. U.S. Route 20 (5,415.4 km)

U.S. Route 20 is a highway in the United States running east-west. It traverses 9 states, with Boston as its eastern terminus and Oregon as its western terminus.

7. Ruta 40 (5,193.3 km)

Ruta 40 begins at Cabo Vírgenes in southern Argentina, traversing the remote Patagonian plains, heading north towards the Andes Mountains, ascending the Abra del Acay plateau, before finally ending in La Quiaca.

8. U.S. Route 6 (5,148.3 km)

Also known as the Grand Army of the Republic Highway, it stretches from Bishop, California to Provincetown, Massachusetts, USA.

9. Interstate 90 (4,860.2 km)

This U.S. highway connects Seattle on the West Coast to Boston on the East Coast.

10. Interstate 80 (4,665.5 km)

Interstate 80 connects the East and West Coasts of the United States. Unlike Interstate 90, it connects San Francisco, California to Teaneck, New Jersey.

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