The calculated distance (air line) between San Lucas ( Pueblo Nuevo de Colan) and Sullana is approximately 26 miles respectively 41 kilometers.
By car or train, the actual journey to Sullana is certainly longer, as only the direct route (as the crow flies) between San Lucas ( Pueblo Nuevo de Colan) and Sullana has been calculated here.
Air line (approximately)
41 kilometers
22 nautical miles