The calculated distance (air line) between Palma and Sants-Montjuïc is approximately 127 miles respectively 205 kilometers.
By car or train, the actual journey to Sants-Montjuïc is certainly longer, as only the direct route (as the crow flies) between Palma and Sants-Montjuïc has been calculated here.
Air line (approximately)
205 kilometers
111 nautical miles