The calculated distance (air line) between Saint-Genis-les-Ollières and Nîmes is approximately 134 miles respectively 216 kilometers.
By car or train, the actual journey to Nîmes is certainly longer, as only the direct route (as the crow flies) between Saint-Genis-les-Ollières and Nîmes has been calculated here.
Air line (approximately)
216 kilometers
116 nautical miles