The calculated distance (air line) between Fânzeres and Viana do Castelo is approximately 40 miles respectively 64 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 Fânzeres and Viana do Castelo has been calculated here.
Air line (approximately)
64 kilometers
34 nautical miles