| Sion to Sesimbra | 995.43 mi (1,601.99 km) |
| Sion to Setubal | 983.18 mi (1,582.27 km) |
| Sion to Sever do Vouga | 873.45 mi (1,405.68 km) |
| Sion to Silves | 1,024.09 mi (1,648.11 km) |
| Sion to Sines | 1,006.70 mi (1,620.13 km) |
| Sion to Sintra | 992.96 mi (1,598.01 km) |
| Sion to Sobrado de Paiva | 858.43 mi (1,381.52 km) |
| Sion to Sobral de Monte Agraco | 973.77 mi (1,567.12 km) |
| Sion to Soure | 910.44 mi (1,465.22 km) |
| Sion to Tabua | 872.03 mi (1,403.40 km) |
| Sion to Tavira | 995.77 mi (1,602.53 km) |
| Sion to Tomar | 918.39 mi (1,478.01 km) |
| Sion to Tondela | 868.63 mi (1,397.92 km) |
| Sion to Torre de Moncorvo | 801.67 mi (1,290.16 km) |
| Sion to Torres Novas | 928.78 mi (1,494.73 km) |
