The calculated distance (air line) between Santa Coloma de Cervelló and Castellbisbal is approximately 8 miles respectively 12 kilometers.
By car or train, the actual journey to Castellbisbal is certainly longer, as only the direct route (as the crow flies) between Santa Coloma de Cervelló and Castellbisbal has been calculated here.
Air line (approximately)
12 kilometers
7 nautical miles