The calculated distance (air line) between Cerdanyola del Vallès and Llefià is approximately 5 miles respectively 9 kilometers.
By car or train, the actual journey to Llefià is certainly longer, as only the direct route (as the crow flies) between Cerdanyola del Vallès and Llefià has been calculated here.
Air line (approximately)
9 kilometers
5 nautical miles