Explore details about location Calle 20 Sur. Calle 20 Sur is a location situated within the Antonio Nariño alongside other areas such as Carrera 12A, Transversal 24B, Carrera 10 Bis. Additionally, some smaller parts of Calle 20 Sur include specific areas like Avenida Caracas, Carrera 12 B, Carrera 11B adding to the diversity of its landscape.