The calculated distance (air line) between Súria and Caldes de Montbui is approximately 26 miles respectively 41 kilometers.
By car or train, the actual journey to Caldes de Montbui is certainly longer, as only the direct route (as the crow flies) between Súria and Caldes de Montbui has been calculated here.
Air line (approximately)
41 kilometers
22 nautical miles