The calculated distance (air line) between Reignier-Ésery and Nîmes is approximately 184 miles respectively 296 kilometers.
By car or train, the actual journey to Nîmes is certainly longer, as only the direct route (as the crow flies) between Reignier-Ésery and Nîmes has been calculated here.
Air line (approximately)
296 kilometers
160 nautical miles