The calculated distance (air line) between Saint-Aubin-de-Médoc and Angers is approximately 177 miles respectively 285 kilometers.
By car or train, the actual journey to Angers is certainly longer, as only the direct route (as the crow flies) between Saint-Aubin-de-Médoc and Angers has been calculated here.
Air line (approximately)
285 kilometers
154 nautical miles