| Ovada to Santiago do Cacem | 1,006.83 mi (1,620.33 km) |
| Ovada to Santo Andre | 1,007.89 mi (1,622.04 km) |
| Ovada to Santo Tirso | 892.73 mi (1,436.71 km) |
| Ovada to Sao Bras de Alportel | 1,003.70 mi (1,615.30 km) |
| Ovada to Sao Felix da Marinha | 907.76 mi (1,460.90 km) |
| Ovada to Sao Joao da Madeira | 904.81 mi (1,456.15 km) |
| Ovada to Sao Joao de Ver | 906.33 mi (1,458.60 km) |
| Ovada to Sao Mamede de Infesta | 902.47 mi (1,452.38 km) |
| Ovada to Sao Pedro do Sul | 888.37 mi (1,429.70 km) |
| Ovada to Satao | 872.80 mi (1,404.63 km) |
| Ovada to Seia | 880.09 mi (1,416.37 km) |
| Ovada to Senhora da Hora | 905.29 mi (1,456.92 km) |
| Ovada to Serpa | 959.39 mi (1,543.99 km) |
| Ovada to Serta | 917.70 mi (1,476.90 km) |
| Ovada to Sesimbra | 1,009.82 mi (1,625.15 km) |
