| Seaham to Saint-Lo | 395.74 mi (636.88 km) |
| Seaham to Saint-Loubes | 686.78 mi (1,105.27 km) |
| Seaham to Saint-Louis | 631.13 mi (1,015.71 km) |
| Seaham to Saint-Lys | 790.62 mi (1,272.38 km) |
| Seaham to Saint-Malo | 428.64 mi (689.83 km) |
| Seaham to Saint-Mande | 444.22 mi (714.91 km) |
| Seaham to Saint-Martin-Boulogne | 310.15 mi (499.13 km) |
| Seaham to Saint-Martin-d'Heres | 738.18 mi (1,187.98 km) |
| Seaham to Saint-Martin-de-Crau | 821.35 mi (1,321.84 km) |
| Seaham to Saint-Maur-des-Fosses | 448.26 mi (721.40 km) |
| Seaham to Saint-Maurice | 446.03 mi (717.81 km) |
| Seaham to Saint-Max | 532.30 mi (856.66 km) |
| Seaham to Saint-Maximin-la-Sainte-Baume | 850.34 mi (1,368.49 km) |
| Seaham to Saint-Medard-en-Jalles | 687.59 mi (1,106.57 km) |
| Seaham to Saint-Michel-sur-Orge | 456.18 mi (734.16 km) |
