| Seia to Seysses | 509.24 mi (819.54 km) |
| Seia to Sin-le-Noble | 862.51 mi (1,388.08 km) |
| Seia to Six-Fours-les-Plages | 720.18 mi (1,159.02 km) |
| Seia to Soissons | 819.51 mi (1,318.88 km) |
| Seia to Soisy-sous-Montmorency | 767.76 mi (1,235.59 km) |
| Seia to Sollies-Pont | 732.25 mi (1,178.45 km) |
| Seia to Somain | 867.12 mi (1,395.49 km) |
| Seia to Sorgues | 688.66 mi (1,108.29 km) |
| Seia to Sotteville-les-Rouen | 754.29 mi (1,213.92 km) |
| Seia to Soyaux | 537.30 mi (864.70 km) |
| Seia to Stains | 768.48 mi (1,236.74 km) |
| Seia to Stiring-Wendel | 936.40 mi (1,506.99 km) |
| Seia to Strasbourg | 944.43 mi (1,519.91 km) |
| Seia to Sucy-en-Brie | 763.98 mi (1,229.51 km) |
| Seia to Suresnes | 759.36 mi (1,222.07 km) |
