The calculated distance (air line) between Sant Vicenç de Castellet and Eixample is approximately 25 miles respectively 39 kilometers.
By car or train, the actual journey to Eixample is certainly longer, as only the direct route (as the crow flies) between Sant Vicenç de Castellet and Eixample has been calculated here.
Air line (approximately)
39 kilometers
21 nautical miles