The calculated distance (air line) between Sarlat-la-Canéda and Nîmes is approximately 171 miles respectively 276 kilometers.
By car or train, the actual journey to Nîmes is certainly longer, as only the direct route (as the crow flies) between Sarlat-la-Canéda and Nîmes has been calculated here.
Air line (approximately)
276 kilometers
149 nautical miles