The calculated distance (air line) between Vilafranca del Penedès and Badalona is approximately 29 miles respectively 47 kilometers.
By car or train, the actual journey to Badalona is certainly longer, as only the direct route (as the crow flies) between Vilafranca del Penedès and Badalona has been calculated here.
Air line (approximately)
47 kilometers
26 nautical miles