The calculated distance (air line) between Vilanova de Arousa and Santiago de Compostela is approximately 26 miles respectively 42 kilometers.
By car or train, the actual journey to Santiago de Compostela is certainly longer, as only the direct route (as the crow flies) between Vilanova de Arousa and Santiago de Compostela has been calculated here.
Air line (approximately)
42 kilometers
23 nautical miles