| Potters Bar to Santarem | 953.16 mi (1,533.96 km) |
| Potters Bar to Santiago do Cacem | 1,031.56 mi (1,660.14 km) |
| Potters Bar to Santo Andre | 1,030.39 mi (1,658.25 km) |
| Potters Bar to Santo Tirso | 816.08 mi (1,313.36 km) |
| Potters Bar to Sao Bras de Alportel | 1,073.13 mi (1,727.04 km) |
| Potters Bar to Sao Felix da Marinha | 838.24 mi (1,349.02 km) |
| Potters Bar to Sao Joao da Madeira | 843.79 mi (1,357.95 km) |
| Potters Bar to Sao Joao de Ver | 841.62 mi (1,354.45 km) |
| Potters Bar to Sao Mamede de Infesta | 827.39 mi (1,331.56 km) |
| Potters Bar to Sao Pedro do Sul | 843.95 mi (1,358.20 km) |
| Potters Bar to Satao | 838.12 mi (1,348.82 km) |
| Potters Bar to Seia | 857.37 mi (1,379.80 km) |
| Potters Bar to Senhora da Hora | 829.42 mi (1,334.83 km) |
| Potters Bar to Serpa | 1,016.11 mi (1,635.26 km) |
| Potters Bar to Serta | 905.10 mi (1,456.61 km) |
