The longest roads in the UK.
Just the top ten longest road from each country/region.
The Pan-American Highway, 19000 miles (30000 km)
From Prudhoe Bay, Alaska, in the northernmost part of North America to Ushuaia, Argentina, at the southern tip of South America.
Asian Highway 1 (AH1), 12774 miles (20557 km)
From Tokyo, Japan via Korea, China, Southeast Asia, Bangladesh, India, Pakistan, and Iran to the border between Turkey and Bulgaria west of Istanbul
Australia‘s Highway 1, 9000 miles (14500 km)
Is a network of highways that circumnavigate the country, joining all mainland capital cities except the national capital of Canberra.
It is the longest continuing highway in the world as the Pan-American Highway is separated by the Darién Gap and AH1 is separated by the Sea of Japan.
Trans-Siberian Highway, 6800 miles (11000 km)
Spanning the width of Russia from the Baltic Sea of the Atlantic Ocean to the Sea of Japan. From St. Petersburg to Vladivostok.
Tripoli–Cape Town Highway, 6716 miles (10808 km)
It was proposed to be the second link between North and Southern Africa, with the Cairo-Cape Town Highway being the other route, passing through East Africa.
China National Highway 219, 6214 miles (10000 km)
From Kom-Kanas Mongolian ethnic township in Xinjiang to Dongxing in Guangxi.
Golden Quadrilateral, 3633 miles (5846 km)
Forms a quadrilateral with all the four major metro cities of India forming the vertices, Delhi (north), Kolkata (east), Mumbai (west) and Chennai (south).
U.S. Route 20, 3365 miles (5415 km)
Eastern terminus is in Boston, Massachusetts, at Kenmore Square, where it meets Massachusetts Route 2. Its western terminus is in Newport, Oregon, at an intersection with US 101, within a mile of the Pacific Ocean.
National Route 40 (Argentina), 3227 miles (5194 km)
From Cabo Vírgenes near Río Gallegos in Santa Cruz Province in the south to La Quiaca in Jujuy Province in the north of Argentina.
At its traditional southern end near the city of Río Gallegos, it starts at sea level. It then crosses 20 national parks, 18 major rivers, and 27 passes in the Andes. Route 40’s highest point is 5,000 m (16,404 ft) in Abra del Acay in Salta Province.
Please note, this page was correct when written in January 2025.