| Holyhead to Saint-Lo | 327.76 mi (527.48 km) |
| Holyhead to Saint-Loubes | 609.93 mi (981.59 km) |
| Holyhead to Saint-Louis | 665.16 mi (1,070.47 km) |
| Holyhead to Saint-Lys | 726.73 mi (1,169.57 km) |
| Holyhead to Saint-Malo | 341.47 mi (549.54 km) |
| Holyhead to Saint-Mande | 434.30 mi (698.94 km) |
| Holyhead to Saint-Martin-Boulogne | 320.49 mi (515.78 km) |
| Holyhead to Saint-Martin-d'Heres | 730.95 mi (1,176.35 km) |
| Holyhead to Saint-Martin-de-Crau | 794.45 mi (1,278.54 km) |
| Holyhead to Saint-Maur-des-Fosses | 438.97 mi (706.46 km) |
| Holyhead to Saint-Maurice | 436.02 mi (701.71 km) |
| Holyhead to Saint-Max | 567.80 mi (913.79 km) |
| Holyhead to Saint-Maximin-la-Sainte-Baume | 832.19 mi (1,339.29 km) |
| Holyhead to Saint-Medard-en-Jalles | 607.42 mi (977.54 km) |
| Holyhead to Saint-Michel-sur-Orge | 441.72 mi (710.89 km) |
