The calculated distance (air line) between Saint-Paul-Trois-Châteaux and Nîmes is approximately 41 miles respectively 65 kilometers.
By car or train, the actual journey to Nîmes is certainly longer, as only the direct route (as the crow flies) between Saint-Paul-Trois-Châteaux and Nîmes has been calculated here.
Air line (approximately)
65 kilometers
35 nautical miles