The calculated distance (air line) between Esplugues de Llobregat and Gràcia is approximately 4 miles respectively 6 kilometers.
By car or train, the actual journey to Gràcia is certainly longer, as only the direct route (as the crow flies) between Esplugues de Llobregat and Gràcia has been calculated here.
Air line (approximately)
6 kilometers
3 nautical miles