The calculated distance (air line) between Portet-sur-Garonne and Limoges is approximately 160 miles respectively 257 kilometers.
By car or train, the actual journey to Limoges is certainly longer, as only the direct route (as the crow flies) between Portet-sur-Garonne and Limoges has been calculated here.
Air line (approximately)
257 kilometers
139 nautical miles