| Seia to Saint-Nazaire | 546.39 mi (879.32 km) |
| Seia to Saint-Omer | 859.22 mi (1,382.78 km) |
| Seia to Saint-Orens-de-Gameville | 520.93 mi (838.35 km) |
| Seia to Saint-Ouen | 765.05 mi (1,231.23 km) |
| Seia to Saint-Ouen-l'Aumone | 764.82 mi (1,230.85 km) |
| Seia to Saint-Paul-les-Dax | 410.17 mi (660.10 km) |
| Seia to Saint-Paul-Trois-Chateaux | 690.94 mi (1,111.96 km) |
| Seia to Saint-Philbert-de-Grand-Lieu | 547.69 mi (881.43 km) |
| Seia to Saint-Pierre-des-Corps | 637.96 mi (1,026.69 km) |
| Seia to Saint-Pierre-du-Mont | 438.55 mi (705.77 km) |
| Seia to Saint-Pierre-du-Perray | 755.45 mi (1,215.77 km) |
| Seia to Saint-Pol-sur-Mer | 876.95 mi (1,411.32 km) |
| Seia to Saint-Priest | 733.93 mi (1,181.15 km) |
| Seia to Saint-Quentin | 841.44 mi (1,354.17 km) |
| Seia to Saint-Rambert | 697.31 mi (1,122.21 km) |
