Explore details about location Calle 20 Sur. Calle 20 Sur is a location situated within the Antonio Nariño alongside other areas such as Diagonal 3 S, Carrera 31, Diagonal 10 S. Additionally, some smaller parts of Calle 20 Sur include specific areas like Carrera 17, Calle 19 Sur, Calle 15 Sur adding to the diversity of its landscape.