The calculated distance (air line) between Terrasson-Lavilledieu and Nîmes is approximately 175 miles respectively 282 kilometers.
By car or train, the actual journey to Nîmes is certainly longer, as only the direct route (as the crow flies) between Terrasson-Lavilledieu and Nîmes has been calculated here.
Air line (approximately)
282 kilometers
152 nautical miles