The calculated distance (air line) between Navàs and Caldes de Montbui is approximately 24 miles respectively 38 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 Navàs and Caldes de Montbui has been calculated here.
Air line (approximately)
38 kilometers
21 nautical miles