😱World’s Longest Road – The 19,000KM Highway! CONTEXT: The Pan-American Highway holds the title of the longest road in the world, a journey that spans over 19,000 kilometers and links the northernmost part of North America to the southernmost tip of South America. The adventure begins in Alaska, USA, cutting across the western provinces of Canada and continuing through the length of the United States before entering Mexico. From there, the road winds through Central America, passing Guatemala,