| Widnes to Sesimbra | 1,074.32 mi (1,728.95 km) |
| Widnes to Setubal | 1,066.19 mi (1,715.86 km) |
| Widnes to Sever do Vouga | 911.40 mi (1,466.75 km) |
| Widnes to Silves | 1,150.71 mi (1,851.90 km) |
| Widnes to Sines | 1,104.07 mi (1,776.82 km) |
| Widnes to Sintra | 1,054.54 mi (1,697.12 km) |
| Widnes to Sobrado de Paiva | 890.02 mi (1,432.35 km) |
| Widnes to Sobral de Monte Agraco | 1,036.64 mi (1,668.31 km) |
| Widnes to Soure | 960.63 mi (1,545.98 km) |
| Widnes to Tabua | 932.00 mi (1,499.91 km) |
| Widnes to Tavira | 1,147.08 mi (1,846.04 km) |
| Widnes to Tomar | 987.91 mi (1,589.88 km) |
| Widnes to Tondela | 922.19 mi (1,484.12 km) |
| Widnes to Torre de Moncorvo | 864.95 mi (1,392.01 km) |
| Widnes to Torres Novas | 998.34 mi (1,606.68 km) |
