The calculated distance (air line) between Santa Coloma de Cervelló and Martorell is approximately 9 miles respectively 14 kilometers.
By car or train, the actual journey to Martorell is certainly longer, as only the direct route (as the crow flies) between Santa Coloma de Cervelló and Martorell has been calculated here.
Air line (approximately)
14 kilometers
7 nautical miles