| Viadana to Setubal | 1,090.87 mi (1,755.58 km) |
| Viadana to Sever do Vouga | 997.25 mi (1,604.92 km) |
| Viadana to Silves | 1,119.35 mi (1,801.41 km) |
| Viadana to Sines | 1,109.83 mi (1,786.10 km) |
| Viadana to Sintra | 1,104.78 mi (1,777.97 km) |
| Viadana to Sobrado de Paiva | 984.45 mi (1,584.32 km) |
| Viadana to Sobral de Monte Agraco | 1,086.38 mi (1,748.36 km) |
| Viadana to Soure | 1,029.45 mi (1,656.74 km) |
| Viadana to Tabua | 991.50 mi (1,595.66 km) |
| Viadana to Tavira | 1,086.52 mi (1,748.58 km) |
| Viadana to Tomar | 1,032.87 mi (1,662.25 km) |
| Viadana to Tondela | 989.63 mi (1,592.65 km) |
| Viadana to Torre de Moncorvo | 925.45 mi (1,489.37 km) |
| Viadana to Torres Novas | 1,042.61 mi (1,677.92 km) |
| Viadana to Torres Vedras | 1,089.66 mi (1,753.64 km) |
