| Nieuwpoort to Sestao | 602.75 mi (970.03 km) |
| Nieuwpoort to Sevilla | 1,050.30 mi (1,690.29 km) |
| Nieuwpoort to Sevilla La Nueva | 811.88 mi (1,306.60 km) |
| Nieuwpoort to Silla | 826.40 mi (1,329.97 km) |
| Nieuwpoort to Silleda | 777.42 mi (1,251.14 km) |
| Nieuwpoort to Sitges | 684.32 mi (1,101.30 km) |
| Nieuwpoort to Socuellamos | 859.72 mi (1,383.59 km) |
| Nieuwpoort to Soller | 784.21 mi (1,262.07 km) |
| Nieuwpoort to Solsona | 632.98 mi (1,018.68 km) |
| Nieuwpoort to Son Servera | 794.83 mi (1,279.16 km) |
| Nieuwpoort to Sonseca | 852.27 mi (1,371.59 km) |
| Nieuwpoort to Sopelana | 597.76 mi (962.01 km) |
| Nieuwpoort to Soria | 691.68 mi (1,113.15 km) |
| Nieuwpoort to Suances | 618.62 mi (995.57 km) |
| Nieuwpoort to Sueca | 836.39 mi (1,346.04 km) |
