| Niksar to Seysses | 1,826.50 mi (2,939.47 km) |
| Niksar to Sin-le-Noble | 1,755.00 mi (2,824.40 km) |
| Niksar to Six-Fours-les-Plages | 1,603.34 mi (2,580.32 km) |
| Niksar to Soissons | 1,735.64 mi (2,793.24 km) |
| Niksar to Soisy-sous-Montmorency | 1,778.36 mi (2,861.99 km) |
| Niksar to Sollies-Pont | 1,591.76 mi (2,561.69 km) |
| Niksar to Somain | 1,747.67 mi (2,812.61 km) |
| Niksar to Sorgues | 1,646.61 mi (2,649.97 km) |
| Niksar to Sotteville-les-Rouen | 1,835.62 mi (2,954.14 km) |
| Niksar to Soyaux | 1,870.18 mi (3,009.76 km) |
| Niksar to Stains | 1,774.32 mi (2,855.49 km) |
| Niksar to Stiring-Wendel | 1,573.26 mi (2,531.91 km) |
| Niksar to Strasbourg | 1,529.01 mi (2,460.70 km) |
| Niksar to Sucy-en-Brie | 1,766.76 mi (2,843.33 km) |
| Niksar to Suresnes | 1,781.15 mi (2,866.48 km) |
