Yes, South America has more ultralong routes to offer than the famous Panamericana. Ruta 4o in Argentina runs parallel from the Bolivian border in the North to Patagonia in the South. It crosses 18 major rivers, 20 National Parks, many National Reserves, 27 passes up to more than 3,000m summits, and connects 11 provinces. Built in 1935, Ruta 40 is the backbone of the country. On more than 5,200 km the road offers many attractive places as well as hidden gems. Find Mina Pirquitas, in Jujuy, highest town in Argentina, at 4,271 above sea level. Traveling the full distance requires good planning since you pass many different climates.