The calculated distance (air line) between Corbera de Llobregat and Eixample is approximately 13 miles respectively 20 kilometers.
By car or train, the actual journey to Eixample is certainly longer, as only the direct route (as the crow flies) between Corbera de Llobregat and Eixample has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles