| Siechnice to Setubal | 1,529.47 mi (2,461.44 km) |
| Siechnice to Sever do Vouga | 1,408.30 mi (2,266.43 km) |
| Siechnice to Silves | 1,576.17 mi (2,536.60 km) |
| Siechnice to Sines | 1,555.40 mi (2,503.17 km) |
| Siechnice to Sintra | 1,536.37 mi (2,472.55 km) |
| Siechnice to Sobrado de Paiva | 1,391.27 mi (2,239.03 km) |
| Siechnice to Sobral de Monte Agraco | 1,516.82 mi (2,441.08 km) |
| Siechnice to Soure | 1,449.18 mi (2,332.23 km) |
| Siechnice to Tabua | 1,410.98 mi (2,270.76 km) |
| Siechnice to Tavira | 1,549.41 mi (2,493.53 km) |
| Siechnice to Tomar | 1,460.73 mi (2,350.82 km) |
| Siechnice to Tondela | 1,406.26 mi (2,263.15 km) |
| Siechnice to Torre de Moncorvo | 1,337.95 mi (2,153.23 km) |
| Siechnice to Torres Novas | 1,471.48 mi (2,368.11 km) |
| Siechnice to Torres Vedras | 1,518.41 mi (2,443.64 km) |
