| Risca to Sereflikochisar | 1,957.10 mi (3,149.65 km) |
| Risca to Serik | 1,946.86 mi (3,133.17 km) |
| Risca to Serinhisar | 1,841.51 mi (2,963.62 km) |
| Risca to Serinyol | 2,182.96 mi (3,513.14 km) |
| Risca to Seydisehir | 1,954.52 mi (3,145.49 km) |
| Risca to Seyhan | 2,118.75 mi (3,409.80 km) |
| Risca to Seyitgazi | 1,816.43 mi (2,923.26 km) |
| Risca to Siirt | 2,357.12 mi (3,793.42 km) |
| Risca to Sile | 1,698.42 mi (2,733.35 km) |
| Risca to Silifke | 2,088.30 mi (3,360.79 km) |
| Risca to Silivri | 1,645.58 mi (2,648.31 km) |
| Risca to Silopi | 2,408.78 mi (3,876.56 km) |
| Risca to Simav | 1,761.56 mi (2,834.96 km) |
| Risca to Sinanpasa | 1,828.53 mi (2,942.74 km) |
| Risca to Sindirgi | 1,721.44 mi (2,770.39 km) |
