| Holyhead to Saint-Raphael | 858.19 mi (1,381.12 km) |
| Holyhead to Saint-Remy-de-Provence | 785.93 mi (1,264.84 km) |
| Holyhead to Saint-Saulve | 403.90 mi (650.01 km) |
| Holyhead to Saint-Sebastien-sur-Loire | 443.54 mi (713.80 km) |
| Holyhead to Saint-Sulpice-la-Pointe | 718.74 mi (1,156.70 km) |
| Holyhead to Saint-Vallier | 609.21 mi (980.43 km) |
| Holyhead to Sainte-Foy-les-Lyon | 672.07 mi (1,081.58 km) |
| Holyhead to Sainte-Genevieve-des-Bois | 442.60 mi (712.30 km) |
| Holyhead to Sainte-Luce-sur-Loire | 441.01 mi (709.74 km) |
| Holyhead to Sainte-Maxime | 861.35 mi (1,386.21 km) |
| Holyhead to Sainte-Savine | 512.92 mi (825.47 km) |
| Holyhead to Saintes | 552.23 mi (888.73 km) |
| Holyhead to Sallanches | 715.15 mi (1,150.92 km) |
| Holyhead to Sallaumines | 376.70 mi (606.25 km) |
| Holyhead to Salon-de-Provence | 801.47 mi (1,289.84 km) |
