The calculated distance (air line) between Gignac-la-Nerthe and Nîmes is approximately 54 miles respectively 86 kilometers.
By car or train, the actual journey to Nîmes is certainly longer, as only the direct route (as the crow flies) between Gignac-la-Nerthe and Nîmes has been calculated here.
Air line (approximately)
86 kilometers
47 nautical miles