The calculated distance (air line) between Purísima de la Concepción and Cartagena is approximately 82 miles respectively 131 kilometers.
By car or train, the actual journey to Cartagena is certainly longer, as only the direct route (as the crow flies) between Purísima de la Concepción and Cartagena has been calculated here.
Air line (approximately)
131 kilometers
71 nautical miles