The Longest Road Trip Roads in the World

If you dream of epic adventures you should definitely consider traveling down one of the longest road trip roads in the world. Whether you’re in search of some good ol’ American fun, or looking to experience other countries, or even entire continents, we’ve compiled a list of some of the most unique and longest highways systems on earth.

At nearly 3200 miles (5200km) U.S. Route 6 is the second longest road trip road in the United States

Also known as the Grand Army of the Republic Highway, U.S. Route 6 is a main route of the United States Highway system. Battling U.S. Route 20 for the title of the longest “continuous” transcontinental highway in America, this road will take drivers through fourteen different states starting in California and ending in Massachusetts.

At over 3300 miles (5400km) U.S. Route 20 is the longest road trip road in the United States

U.S. Route 20 covers 3,365 miles, from Boston, Massachusetts to Newport, Oregon. In 1926, it officially became a U.S. Highway, and during its early years, terminated at Yellow Stone National Park. Now U.S. Route 20 is the longest highway in the country, it crosses through twelve states of America’s beautiful landscape.

The Golden Quadrilateral Highway is the longest road trip road in India at 3600 miles (6000km)

The Golden Quadrilateral Highway in India is a network of highways connecting India’s four top metropolitan cities; Delhi, Mumbai, Chennai, Kolkata, forming a quadrilateral. Launched in 2001 as part of India’s National Highways Development Project, it is the largest highway project in India. Overall the quadrilateral consists of four, six lane express highways.

The Trans-Canada Highway is the longest road trip roads in North America

Crossing through six time zones, this once-in-a-life time road trip starts at one end of Canada and ends at the other. Commenced in 1962, the Trans-Canada Highway takes you through ten Canadian provinces and crosses the Pacific Ocean on the west and to the Atlantic Ocean on the east.

The Trans-Siberian Highway runs the entire length of Russia and is the third longest road trip roads in the world

Spanning from St. Petersburg to Vladivostok, the Trans-Siberian Highway is a network of federal highways. As one of the more dangerous roads on this list, it has some of the toughest environments and uneasy terrain, from the Baltic Sea of the Atlantic Ocean to the Japan Sea of the Pacific Ocean.

Highway 1 in Australia, also known as the “Big Lap,” is the second longest road trip roads in the world

As the second largest road in the world, it joins all the mainland capitals of Australia. Constructed almost half a century ago, the first section of the route was signposted between Brisbane and Adelaide in 1955. At the time is was Australia’s only true national highway. Now there are more direct routes that crisscross throughout the country, none of them are more scenic than Australia’s Highway One.

At nearly 30,000 miles, The Pan American Highway is by far and away the longest road trip roads in the world

According to the Guinness Book of World Records, Pan American Highway is the longest designated road in the world. At its fullest extent it links most of the nations of North and South America. Stretching from Prudhoe Bay, Alaska to Ushuaia, Argentina, but briefly interrupted by the 100-mile Darien Gap between Central and South America.

You’ll notice that two of the world’s longest highways are located in the United States, however there are many other scenic and unique systems in other parts of the world. When you’re considering your next family vacation or solo adventure, consider road tripping down one of the longest road trip roads in the world.

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