| Viadana to Santiago do Cacem | 1,099.96 mi (1,770.22 km) |
| Viadana to Santo Andre | 1,101.07 mi (1,771.99 km) |
| Viadana to Santo Tirso | 986.52 mi (1,587.65 km) |
| Viadana to Sao Bras de Alportel | 1,095.68 mi (1,763.32 km) |
| Viadana to Sao Felix da Marinha | 1,001.65 mi (1,611.99 km) |
| Viadana to Sao Joao da Madeira | 998.75 mi (1,607.33 km) |
| Viadana to Sao Joao de Ver | 1,000.25 mi (1,609.75 km) |
| Viadana to Sao Mamede de Infesta | 996.30 mi (1,603.39 km) |
| Viadana to Sao Pedro do Sul | 982.36 mi (1,580.96 km) |
| Viadana to Satao | 966.80 mi (1,555.91 km) |
| Viadana to Seia | 974.09 mi (1,567.64 km) |
| Viadana to Senhora da Hora | 999.12 mi (1,607.93 km) |
| Viadana to Serpa | 1,052.00 mi (1,693.04 km) |
| Viadana to Serta | 1,011.61 mi (1,628.03 km) |
| Viadana to Sesimbra | 1,103.35 mi (1,775.67 km) |
