| Niort to Sin-le-Noble | 323.56 mi (520.71 km) |
| Niort to Six-Fours-les-Plages | 380.26 mi (611.97 km) |
| Niort to Soissons | 274.45 mi (441.68 km) |
| Niort to Soisy-sous-Montmorency | 224.31 mi (361.00 km) |
| Niort to Sollies-Pont | 385.41 mi (620.26 km) |
| Niort to Somain | 327.18 mi (526.55 km) |
| Niort to Sorgues | 305.08 mi (490.97 km) |
| Niort to Sotteville-les-Rouen | 224.83 mi (361.82 km) |
| Niort to Soyaux | 56.94 mi (91.64 km) |
| Niort to Stains | 224.47 mi (361.26 km) |
| Niort to Stiring-Wendel | 396.27 mi (637.74 km) |
| Niort to Strasbourg | 413.64 mi (665.69 km) |
| Niort to Sucy-en-Brie | 218.76 mi (352.06 km) |
| Niort to Suresnes | 215.61 mi (346.99 km) |
| Niort to Talant | 267.59 mi (430.65 km) |
