| Sierpc to Santiago do Cacem | 1,697.75 mi (2,732.26 km) |
| Sierpc to Santo Andre | 1,697.96 mi (2,732.60 km) |
| Sierpc to Santo Tirso | 1,530.25 mi (2,462.69 km) |
| Sierpc to Sao Bras de Alportel | 1,711.46 mi (2,754.33 km) |
| Sierpc to Sao Felix da Marinha | 1,549.99 mi (2,494.46 km) |
| Sierpc to Sao Joao da Madeira | 1,551.04 mi (2,496.15 km) |
| Sierpc to Sao Joao de Ver | 1,550.84 mi (2,495.84 km) |
| Sierpc to Sao Mamede de Infesta | 1,541.52 mi (2,480.83 km) |
| Sierpc to Sao Pedro do Sul | 1,541.45 mi (2,480.72 km) |
| Sierpc to Satao | 1,529.34 mi (2,461.24 km) |
| Sierpc to Seia | 1,542.77 mi (2,482.84 km) |
| Sierpc to Senhora da Hora | 1,544.15 mi (2,485.07 km) |
| Sierpc to Serpa | 1,660.34 mi (2,672.06 km) |
| Sierpc to Serta | 1,587.60 mi (2,554.99 km) |
| Sierpc to Sesimbra | 1,691.61 mi (2,722.39 km) |
