The calculated distance (air line) between Caldes de Montbui and Montornès del Vallès is approximately 8 miles respectively 13 kilometers.
By car or train, the actual journey to Montornès del Vallès is certainly longer, as only the direct route (as the crow flies) between Caldes de Montbui and Montornès del Vallès has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles