The calculated distance (air line) between Saint-Hilaire-de-Riez and Limoges is approximately 164 miles respectively 265 kilometers.
By car or train, the actual journey to Limoges is certainly longer, as only the direct route (as the crow flies) between Saint-Hilaire-de-Riez and Limoges has been calculated here.
Air line (approximately)
265 kilometers
143 nautical miles