| Nantes to Sangeorz-Bai | 1,223.51 mi (1,969.05 km) |
| Nantes to Sannicolau Mare | 1,050.93 mi (1,691.31 km) |
| Nantes to Santana | 1,088.34 mi (1,751.52 km) |
| Nantes to Satu Mare | 1,136.80 mi (1,829.50 km) |
| Nantes to Scobinti | 1,327.29 mi (2,136.06 km) |
| Nantes to Scornicesti | 1,262.45 mi (2,031.71 km) |
| Nantes to Sebes | 1,190.89 mi (1,916.55 km) |
| Nantes to Seini | 1,155.38 mi (1,859.40 km) |
| Nantes to Sfantu-Gheorghe | 1,296.04 mi (2,085.78 km) |
| Nantes to Sibiu | 1,220.81 mi (1,964.71 km) |
| Nantes to Sighetu Marmatiei | 1,181.73 mi (1,901.81 km) |
| Nantes to Sighisoara | 1,243.89 mi (2,001.85 km) |
| Nantes to Simeria | 1,166.46 mi (1,877.24 km) |
| Nantes to Sinaia | 1,294.05 mi (2,082.57 km) |
| Nantes to Slatina | 1,256.69 mi (2,022.45 km) |
