| Holyhead to Saint-Brice-sous-Foret | 424.44 mi (683.07 km) |
| Holyhead to Saint-Brieuc | 341.14 mi (549.02 km) |
| Holyhead to Saint-Chamas | 805.31 mi (1,296.02 km) |
| Holyhead to Saint-Chamond | 678.60 mi (1,092.10 km) |
| Holyhead to Saint-Claude | 667.58 mi (1,074.36 km) |
| Holyhead to Saint-Cloud | 428.41 mi (689.46 km) |
| Holyhead to Saint-Cyprien | 817.77 mi (1,316.07 km) |
| Holyhead to Saint-Cyr-l'Ecole | 425.80 mi (685.25 km) |
| Holyhead to Saint-Cyr-sur-Loire | 470.17 mi (756.67 km) |
| Holyhead to Saint-Cyr-sur-Mer | 844.21 mi (1,358.63 km) |
| Holyhead to Saint-Denis | 427.55 mi (688.08 km) |
| Holyhead to Saint-Die-des-Vosges | 612.34 mi (985.47 km) |
| Holyhead to Saint-Dizier | 526.48 mi (847.28 km) |
| Holyhead to Saint-Doulchard | 528.66 mi (850.79 km) |
| Holyhead to Saint-Egreve | 724.99 mi (1,166.76 km) |
