How long is the Inca trail hike? It has a length of 43 kilometers, about 26 miles approximately, there are strategic sites that are used for camping these have already been assigned by the Ministry of Culture of Cusco, each of these points has a length of 10 to 12 kilometers so you can imagine how long you walk per day, that’s right, about 6 to 8 hours of walking per day this varies according to the physical condition of each one.