| Caerfyrddin to Sanary-sur-Mer | 765.04 mi (1,231.21 km) |
| Caerfyrddin to Sannois | 351.18 mi (565.16 km) |
| Caerfyrddin to Saran | 385.51 mi (620.42 km) |
| Caerfyrddin to Sarcelles | 354.68 mi (570.80 km) |
| Caerfyrddin to Sarlat-la-Caneda | 543.81 mi (875.17 km) |
| Caerfyrddin to Sarrebourg | 545.48 mi (877.86 km) |
| Caerfyrddin to Sarreguemines | 534.63 mi (860.40 km) |
| Caerfyrddin to Sartrouville | 349.28 mi (562.11 km) |
| Caerfyrddin to Sarzeau | 306.95 mi (493.99 km) |
| Caerfyrddin to Sassenage | 646.76 mi (1,040.87 km) |
| Caerfyrddin to Saumur | 369.90 mi (595.30 km) |
| Caerfyrddin to Savenay | 328.21 mi (528.20 km) |
| Caerfyrddin to Saverne | 557.73 mi (897.58 km) |
| Caerfyrddin to Savigny-le-Temple | 379.38 mi (610.56 km) |
| Caerfyrddin to Savigny-sur-Orge | 366.81 mi (590.32 km) |
