| Siechnice to Santiago do Cacem | 1,545.97 mi (2,488.01 km) |
| Siechnice to Santo Andre | 1,546.34 mi (2,488.60 km) |
| Siechnice to Santo Tirso | 1,386.71 mi (2,231.70 km) |
| Siechnice to Sao Bras de Alportel | 1,556.66 mi (2,505.20 km) |
| Siechnice to Sao Felix da Marinha | 1,405.82 mi (2,262.45 km) |
| Siechnice to Sao Joao da Madeira | 1,406.20 mi (2,263.06 km) |
| Siechnice to Sao Joao de Ver | 1,406.30 mi (2,263.22 km) |
| Siechnice to Sao Mamede de Infesta | 1,397.82 mi (2,249.58 km) |
| Siechnice to Sao Pedro do Sul | 1,395.37 mi (2,245.63 km) |
| Siechnice to Satao | 1,382.58 mi (2,225.04 km) |
| Siechnice to Seia | 1,395.06 mi (2,245.14 km) |
| Siechnice to Senhora da Hora | 1,400.51 mi (2,253.90 km) |
| Siechnice to Serpa | 1,506.60 mi (2,424.64 km) |
| Siechnice to Serta | 1,438.96 mi (2,315.78 km) |
| Siechnice to Sesimbra | 1,541.46 mi (2,480.74 km) |
