As you know, there is no single Camino de Santiago, but a huge network of pilgrimage routes over vast distances. Therefore each route of the Camino de Santiago has a different mileage. In the peninsula, the longest Camino de Santiago is the Via de la Plata with 960 km, followed by the Camino del Norte with 833 km.
The French Way is 763 km long and the Primitive Way 316 km long. The shortest Camino de Santiago is the English Way, which covers a distance of 122 km.
In the case of the Portuguese Way we must distinguish between the two variants. The Central Portuguese Way has 682 km and the Portuguese Way along the Coast 265 km.