Top 5 Longest Highways Worldwide: Journeying the Lengthy Roads

Top 5 Longest Highways Worldwide

Here are the top 5 longest highways worldwide.

1. Pan-American Highway:


  • Length: Approximately 19,000 miles (30,000 kilometers)
  • Route: Extends from Prudhoe Bay in Alaska, USA, to Ushuaia in Argentina, making it the longest motorable road in the world.

The Pan-American Highway runs through multiple countries in North, Central, and South America, linking a network of roads and highways. The general route starts in Prudhoe Bay, Alaska, USA, and extends southward through Canada, the United States, Mexico, Central American countries, and all the way down to Ushuaia in Argentina, which is the southernmost city in the world.

Pan-American Highway:

2. Trans-Siberian Highway:


  • Length: Around 11,000 miles (17,000 kilometers)
  • Route: Spans across Russia, connecting the western and eastern borders, from Saint Petersburg to Vladivostok.

The highway starts in Saint Petersburg, located in the western part of Russia, and stretches across the country, passing through major cities such as Moscow, Yekaterinburg, Novosibirsk, and Irkutsk. It continues eastward, eventually reaching Vladivostok on the Pacific Ocean.

Trans-Siberian Highway

3. Trans-Canada Highway:


  • Length: Approximately 4,860 miles (7,821 kilometers)
  • Route: Stretches from the west coast of British Columbia to the east coast of Newfoundland, making it the longest national highway in the world.

The highway spans the entire width of Canada, connecting the Pacific Ocean on the west coast to the Atlantic Ocean on the east coast. It officially begins in Victoria, British Columbia, and ends in St. John’s, Newfoundland and Labrador.

Trans-Canada Highway

4. Trans-Amazonian Highway:


  • Length: About 4,000 miles (6,400 kilometers)
  • Route: Crosses the Amazon Rainforest in Brazil, running from the Atlantic Ocean to the Peruvian border.

The highway was designed to stretch from the Atlantic Ocean on the eastern coast of Brazil to the border with Peru on the western side. It passes through the Amazon Rainforest, connecting cities and towns along its route.

5. US Route 20:


  • Length: Around 3,365 miles (5,415 kilometers)
  • Route: Extends from Boston, Massachusetts, on the east coast to Newport, Oregon, on the west coast, making it the longest road in the United States.

The highway begins on the East Coast in Boston, Massachusetts, and extends westward across the country, passing through major cities and regions. It crosses several states, including Massachusetts, New York, Pennsylvania, Ohio, Indiana, Illinois, Iowa, Nebraska, Wyoming, Montana, Idaho, and Oregon.

US Route 20: