The calculated distance (air line) between Alaior and L'Hospitalet de Llobregat is approximately 146 miles respectively 234 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 Alaior and L'Hospitalet de Llobregat has been calculated here.
Air line (approximately)
234 kilometers
126 nautical miles