The calculated distance (air line) between Massamagrell and L'Hospitalet de Llobregat is approximately 178 miles respectively 287 kilometers.
By car or train, the actual journey to L'Hospitalet de Llobregat is certainly longer, as only the direct route (as the crow flies) between Massamagrell and L'Hospitalet de Llobregat has been calculated here.
Air line (approximately)
287 kilometers
155 nautical miles