The calculated distance (air line) between Sant Feliu de Guíxols and Badalona is approximately 47 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 Sant Feliu de Guíxols and Badalona has been calculated here.
Air line (approximately)
75 kilometers
41 nautical miles