The calculated distance (air line) between Santa Cristina d'Aro and Badalona is approximately 46 miles respectively 75 kilometers.
By car or train, the actual journey to Badalona is certainly longer, as only the direct route (as the crow flies) between Santa Cristina d'Aro and Badalona has been calculated here.
Air line (approximately)
75 kilometers
40 nautical miles