| Nieuwpoort to Siran | 1,887.92 mi (3,038.31 km) |
| Nieuwpoort to Sirnak | 2,142.31 mi (3,447.72 km) |
| Nieuwpoort to Sirvan | 2,100.49 mi (3,380.41 km) |
| Nieuwpoort to Sivas | 1,816.02 mi (2,922.60 km) |
| Nieuwpoort to Sivasli | 1,568.90 mi (2,524.90 km) |
| Nieuwpoort to Siverek | 1,998.87 mi (3,216.86 km) |
| Nieuwpoort to Sivrice | 1,968.44 mi (3,167.90 km) |
| Nieuwpoort to Sivrihisar | 1,599.97 mi (2,574.90 km) |
| Nieuwpoort to Sogut | 1,519.40 mi (2,445.23 km) |
| Nieuwpoort to Sogutlu | 1,493.91 mi (2,404.21 km) |
| Nieuwpoort to Soke | 1,515.16 mi (2,438.41 km) |
| Nieuwpoort to Solhan | 2,020.59 mi (3,251.83 km) |
| Nieuwpoort to Soma | 1,453.76 mi (2,339.60 km) |
| Nieuwpoort to Sorgun | 1,736.16 mi (2,794.08 km) |
| Nieuwpoort to Suhut | 1,601.20 mi (2,576.88 km) |
