The calculated distance (air line) between Torrelles de Llobregat and Eixample is approximately 10 miles respectively 16 kilometers.
By car or train, the actual journey to Eixample is certainly longer, as only the direct route (as the crow flies) between Torrelles de Llobregat and Eixample has been calculated here.
Air line (approximately)
16 kilometers
8 nautical miles