| Caerphilly to Saint-Lo | 194.31 mi (312.71 km) |
| Caerphilly to Saint-Loubes | 477.69 mi (768.77 km) |
| Caerphilly to Saint-Louis | 555.49 mi (893.98 km) |
| Caerphilly to Saint-Lys | 593.39 mi (954.97 km) |
| Caerphilly to Saint-Malo | 209.26 mi (336.77 km) |
| Caerphilly to Saint-Mande | 312.66 mi (503.18 km) |
| Caerphilly to Saint-Martin-Boulogne | 218.25 mi (351.24 km) |
| Caerphilly to Saint-Martin-d'Heres | 604.28 mi (972.49 km) |
| Caerphilly to Saint-Martin-de-Crau | 663.03 mi (1,067.05 km) |
| Caerphilly to Saint-Maur-des-Fosses | 317.39 mi (510.79 km) |
| Caerphilly to Saint-Maurice | 314.28 mi (505.78 km) |
| Caerphilly to Saint-Max | 461.81 mi (743.22 km) |
| Caerphilly to Saint-Maximin-la-Sainte-Baume | 702.19 mi (1,130.07 km) |
| Caerphilly to Saint-Medard-en-Jalles | 475.71 mi (765.59 km) |
| Caerphilly to Saint-Michel-sur-Orge | 318.08 mi (511.91 km) |
