The calculated distance (air line) between Saint-Martin-le-Vinoux and Nîmes is approximately 116 miles respectively 186 kilometers.
By car or train, the actual journey to Nîmes is certainly longer, as only the direct route (as the crow flies) between Saint-Martin-le-Vinoux and Nîmes has been calculated here.
Air line (approximately)
186 kilometers
100 nautical miles