The calculated distance (air line) between Berga and Caldes de Montbui is approximately 36 miles respectively 59 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 Berga and Caldes de Montbui has been calculated here.
Air line (approximately)
59 kilometers
32 nautical miles