The calculated distance (air line) between Saint-Philbert-de-Grand-Lieu and Bordeaux is approximately 160 miles respectively 258 kilometers.
By car or train, the actual journey to Bordeaux is certainly longer, as only the direct route (as the crow flies) between Saint-Philbert-de-Grand-Lieu and Bordeaux has been calculated here.
Air line (approximately)
258 kilometers
139 nautical miles