| Colwyn Bay to Santarem | 999.34 mi (1,608.29 km) |
| Colwyn Bay to Santiago do Cacem | 1,081.89 mi (1,741.13 km) |
| Colwyn Bay to Santo Andre | 1,080.16 mi (1,738.35 km) |
| Colwyn Bay to Santo Tirso | 855.29 mi (1,376.45 km) |
| Colwyn Bay to Sao Bras de Alportel | 1,133.10 mi (1,823.55 km) |
| Colwyn Bay to Sao Felix da Marinha | 877.29 mi (1,411.86 km) |
| Colwyn Bay to Sao Joao da Madeira | 884.88 mi (1,424.08 km) |
| Colwyn Bay to Sao Joao de Ver | 881.80 mi (1,419.12 km) |
| Colwyn Bay to Sao Mamede de Infesta | 865.86 mi (1,393.46 km) |
| Colwyn Bay to Sao Pedro do Sul | 890.08 mi (1,432.45 km) |
| Colwyn Bay to Satao | 887.78 mi (1,428.74 km) |
| Colwyn Bay to Seia | 908.61 mi (1,462.27 km) |
| Colwyn Bay to Senhora da Hora | 867.42 mi (1,395.98 km) |
| Colwyn Bay to Serpa | 1,076.46 mi (1,732.39 km) |
| Colwyn Bay to Serta | 954.77 mi (1,536.55 km) |
