| Conwy to Santarem | 997.25 mi (1,604.91 km) |
| Conwy to Santiago do Cacem | 1,079.87 mi (1,737.88 km) |
| Conwy to Santo Andre | 1,078.13 mi (1,735.07 km) |
| Conwy to Santo Tirso | 853.08 mi (1,372.90 km) |
| Conwy to Sao Bras de Alportel | 1,131.34 mi (1,820.71 km) |
| Conwy to Sao Felix da Marinha | 875.06 mi (1,408.28 km) |
| Conwy to Sao Joao da Madeira | 882.71 mi (1,420.59 km) |
| Conwy to Sao Joao de Ver | 879.60 mi (1,415.58 km) |
| Conwy to Sao Mamede de Infesta | 863.63 mi (1,389.87 km) |
| Conwy to Sao Pedro do Sul | 888.04 mi (1,429.17 km) |
| Conwy to Satao | 885.84 mi (1,425.62 km) |
| Conwy to Seia | 906.70 mi (1,459.20 km) |
| Conwy to Senhora da Hora | 865.18 mi (1,392.37 km) |
| Conwy to Serpa | 1,074.72 mi (1,729.60 km) |
| Conwy to Serta | 952.79 mi (1,533.37 km) |
