The calculated distance (air line) between Saint-Genest-Lerpt and Nîmes is approximately 111 miles respectively 179 kilometers.
By car or train, the actual journey to Nîmes is certainly longer, as only the direct route (as the crow flies) between Saint-Genest-Lerpt and Nîmes has been calculated here.
Air line (approximately)
179 kilometers
96 nautical miles