| Aosta to Setubal | 965.80 mi (1,554.31 km) |
| Aosta to Sever do Vouga | 859.87 mi (1,383.82 km) |
| Aosta to Silves | 1,004.13 mi (1,615.99 km) |
| Aosta to Sines | 988.35 mi (1,590.60 km) |
| Aosta to Sintra | 976.55 mi (1,571.61 km) |
| Aosta to Sobrado de Paiva | 845.43 mi (1,360.59 km) |
| Aosta to Sobral de Monte Agraco | 957.52 mi (1,540.97 km) |
| Aosta to Soure | 895.66 mi (1,441.43 km) |
| Aosta to Tabua | 857.30 mi (1,379.69 km) |
| Aosta to Tavira | 974.88 mi (1,568.91 km) |
| Aosta to Tomar | 902.50 mi (1,452.43 km) |
| Aosta to Tondela | 854.29 mi (1,374.84 km) |
| Aosta to Torre de Moncorvo | 787.93 mi (1,268.06 km) |
| Aosta to Torres Novas | 912.75 mi (1,468.92 km) |
| Aosta to Torres Vedras | 960.08 mi (1,545.10 km) |
