| Conwy to Saint-Lo | 311.22 mi (500.86 km) |
| Conwy to Saint-Loubes | 597.78 mi (962.03 km) |
| Conwy to Saint-Louis | 636.13 mi (1,023.75 km) |
| Conwy to Saint-Lys | 712.34 mi (1,146.40 km) |
| Conwy to Saint-Malo | 329.53 mi (530.33 km) |
| Conwy to Saint-Mande | 409.14 mi (658.44 km) |
| Conwy to Saint-Martin-Boulogne | 291.63 mi (469.33 km) |
| Conwy to Saint-Martin-d'Heres | 707.01 mi (1,137.82 km) |
| Conwy to Saint-Martin-de-Crau | 773.64 mi (1,245.05 km) |
| Conwy to Saint-Maur-des-Fosses | 413.76 mi (665.88 km) |
| Conwy to Saint-Maurice | 410.88 mi (661.25 km) |
| Conwy to Saint-Max | 538.30 mi (866.31 km) |
| Conwy to Saint-Maximin-la-Sainte-Baume | 810.13 mi (1,303.78 km) |
| Conwy to Saint-Medard-en-Jalles | 595.99 mi (959.15 km) |
| Conwy to Saint-Michel-sur-Orge | 417.25 mi (671.50 km) |
