The calculated distance (air line) between Perpignan and Banyuls de la Marenda is approximately 19 miles respectively 31 kilometers.
By car or train, the actual journey to Banyuls de la Marenda is certainly longer, as only the direct route (as the crow flies) between Perpignan and Banyuls de la Marenda has been calculated here.
Air line (approximately)
31 kilometers
16 nautical miles