The calculated distance (air line) between Vilar de Andorinho and Viana do Castelo is approximately 43 miles respectively 68 kilometers.
By car or train, the actual journey to Viana do Castelo is certainly longer, as only the direct route (as the crow flies) between Vilar de Andorinho and Viana do Castelo has been calculated here.
Air line (approximately)
68 kilometers
37 nautical miles