| Somersworth to Seysses | 3,504.03 mi (5,639.18 km) |
| Somersworth to Sin-le-Noble | 3,387.09 mi (5,450.99 km) |
| Somersworth to Six-Fours-les-Plages | 3,717.77 mi (5,983.18 km) |
| Somersworth to Soissons | 3,421.62 mi (5,506.56 km) |
| Somersworth to Soisy-sous-Montmorency | 3,389.50 mi (5,454.87 km) |
| Somersworth to Sollies-Pont | 3,724.62 mi (5,994.19 km) |
| Somersworth to Somain | 3,394.06 mi (5,462.22 km) |
| Somersworth to Sorgues | 3,646.41 mi (5,868.34 km) |
| Somersworth to Sotteville-les-Rouen | 3,327.94 mi (5,355.80 km) |
| Somersworth to Soyaux | 3,391.14 mi (5,457.51 km) |
| Somersworth to Stains | 3,394.01 mi (5,462.13 km) |
| Somersworth to Stiring-Wendel | 3,575.23 mi (5,753.77 km) |
| Somersworth to Strasbourg | 3,627.01 mi (5,837.11 km) |
| Somersworth to Sucy-en-Brie | 3,404.68 mi (5,479.31 km) |
| Somersworth to Suresnes | 3,389.30 mi (5,454.55 km) |
