| Twickenham to Santarem | 934.89 mi (1,504.56 km) |
| Twickenham to Santiago do Cacem | 1,013.23 mi (1,630.63 km) |
| Twickenham to Santo Andre | 1,012.06 mi (1,628.75 km) |
| Twickenham to Santo Tirso | 797.99 mi (1,284.24 km) |
| Twickenham to Sao Bras de Alportel | 1,054.72 mi (1,697.40 km) |
| Twickenham to Sao Felix da Marinha | 820.14 mi (1,319.88 km) |
| Twickenham to Sao Joao da Madeira | 825.64 mi (1,328.74 km) |
| Twickenham to Sao Joao de Ver | 823.49 mi (1,325.28 km) |
| Twickenham to Sao Mamede de Infesta | 809.31 mi (1,302.45 km) |
| Twickenham to Sao Pedro do Sul | 825.71 mi (1,328.86 km) |
| Twickenham to Satao | 819.83 mi (1,319.40 km) |
| Twickenham to Seia | 839.06 mi (1,350.34 km) |
| Twickenham to Senhora da Hora | 811.35 mi (1,305.74 km) |
| Twickenham to Serpa | 997.69 mi (1,605.63 km) |
| Twickenham to Serta | 886.79 mi (1,427.16 km) |
