| Hwlffordd to Seysses | 643.27 mi (1,035.25 km) |
| Hwlffordd to Sin-le-Noble | 364.41 mi (586.46 km) |
| Hwlffordd to Six-Fours-les-Plages | 782.80 mi (1,259.80 km) |
| Hwlffordd to Soissons | 400.02 mi (643.77 km) |
| Hwlffordd to Soisy-sous-Montmorency | 374.30 mi (602.37 km) |
| Hwlffordd to Sollies-Pont | 784.48 mi (1,262.50 km) |
| Hwlffordd to Somain | 371.51 mi (597.88 km) |
| Hwlffordd to Sorgues | 704.19 mi (1,133.28 km) |
| Hwlffordd to Sotteville-les-Rouen | 312.74 mi (503.31 km) |
| Hwlffordd to Soyaux | 486.15 mi (782.38 km) |
| Hwlffordd to Stains | 378.90 mi (609.78 km) |
| Hwlffordd to Stiring-Wendel | 552.19 mi (888.66 km) |
| Hwlffordd to Strasbourg | 603.80 mi (971.72 km) |
| Hwlffordd to Sucy-en-Brie | 391.20 mi (629.57 km) |
| Hwlffordd to Suresnes | 375.95 mi (605.03 km) |
