| Nieuwkoop to Setubal | 1,149.32 mi (1,849.65 km) |
| Nieuwkoop to Sever do Vouga | 1,005.04 mi (1,617.45 km) |
| Nieuwkoop to Silves | 1,218.20 mi (1,960.51 km) |
| Nieuwkoop to Sines | 1,182.68 mi (1,903.33 km) |
| Nieuwkoop to Sintra | 1,146.82 mi (1,845.63 km) |
| Nieuwkoop to Sobrado de Paiva | 984.92 mi (1,585.08 km) |
| Nieuwkoop to Sobral de Monte Agraco | 1,127.29 mi (1,814.19 km) |
| Nieuwkoop to Soure | 1,052.22 mi (1,693.39 km) |
| Nieuwkoop to Tabua | 1,017.00 mi (1,636.71 km) |
| Nieuwkoop to Tavira | 1,202.91 mi (1,935.90 km) |
| Nieuwkoop to Tomar | 1,072.44 mi (1,725.93 km) |
| Nieuwkoop to Tondela | 1,009.42 mi (1,624.51 km) |
| Nieuwkoop to Torre de Moncorvo | 942.91 mi (1,517.47 km) |
| Nieuwkoop to Torres Novas | 1,083.54 mi (1,743.79 km) |
| Nieuwkoop to Torres Vedras | 1,126.70 mi (1,813.25 km) |
