| Duiven to Setubal | 1,173.26 mi (1,888.19 km) |
| Duiven to Sever do Vouga | 1,031.81 mi (1,660.53 km) |
| Duiven to Silves | 1,239.18 mi (1,994.27 km) |
| Duiven to Sines | 1,205.67 mi (1,940.34 km) |
| Duiven to Sintra | 1,172.21 mi (1,886.50 km) |
| Duiven to Sobrado de Paiva | 1,012.07 mi (1,628.77 km) |
| Duiven to Sobral de Monte Agraco | 1,152.57 mi (1,854.88 km) |
| Duiven to Soure | 1,078.25 mi (1,735.28 km) |
| Duiven to Tabua | 1,042.34 mi (1,677.48 km) |
| Duiven to Tavira | 1,222.12 mi (1,966.81 km) |
| Duiven to Tomar | 1,097.21 mi (1,765.79 km) |
| Duiven to Tondela | 1,035.17 mi (1,665.94 km) |
| Duiven to Torre de Moncorvo | 967.90 mi (1,557.69 km) |
| Duiven to Torres Novas | 1,108.32 mi (1,783.67 km) |
| Duiven to Torres Vedras | 1,152.32 mi (1,854.48 km) |
