| Colwyn Bay to Sesimbra | 1,057.40 mi (1,701.72 km) |
| Colwyn Bay to Setubal | 1,049.61 mi (1,689.18 km) |
| Colwyn Bay to Sever do Vouga | 894.52 mi (1,439.58 km) |
| Colwyn Bay to Silves | 1,135.62 mi (1,827.60 km) |
| Colwyn Bay to Sines | 1,087.84 mi (1,750.71 km) |
| Colwyn Bay to Sintra | 1,036.89 mi (1,668.71 km) |
| Colwyn Bay to Sobrado de Paiva | 873.15 mi (1,405.20 km) |
| Colwyn Bay to Sobral de Monte Agraco | 1,019.29 mi (1,640.39 km) |
| Colwyn Bay to Soure | 943.65 mi (1,518.66 km) |
| Colwyn Bay to Tabua | 916.07 mi (1,474.26 km) |
| Colwyn Bay to Tavira | 1,133.45 mi (1,824.11 km) |
| Colwyn Bay to Tomar | 971.63 mi (1,563.69 km) |
| Colwyn Bay to Tondela | 906.04 mi (1,458.13 km) |
| Colwyn Bay to Torre de Moncorvo | 850.46 mi (1,368.68 km) |
| Colwyn Bay to Torres Novas | 981.92 mi (1,580.24 km) |
