The calculated distance (air line) between Saint-Mitre-les-Remparts and Nîmes is approximately 42 miles respectively 68 kilometers.
By car or train, the actual journey to Nîmes is certainly longer, as only the direct route (as the crow flies) between Saint-Mitre-les-Remparts and Nîmes has been calculated here.
Air line (approximately)
68 kilometers
37 nautical miles