| Ovada to Setubal | 997.35 mi (1,605.08 km) |
| Ovada to Sever do Vouga | 903.27 mi (1,453.68 km) |
| Ovada to Silves | 1,027.02 mi (1,652.82 km) |
| Ovada to Sines | 1,016.68 mi (1,636.19 km) |
| Ovada to Sintra | 1,011.03 mi (1,627.09 km) |
| Ovada to Sobrado de Paiva | 890.53 mi (1,433.17 km) |
| Ovada to Sobral de Monte Agraco | 992.58 mi (1,597.40 km) |
| Ovada to Soure | 935.46 mi (1,505.47 km) |
| Ovada to Tabua | 897.50 mi (1,444.38 km) |
| Ovada to Tavira | 994.72 mi (1,600.84 km) |
| Ovada to Tomar | 938.98 mi (1,511.14 km) |
| Ovada to Tondela | 895.62 mi (1,441.37 km) |
| Ovada to Torre de Moncorvo | 831.49 mi (1,338.15 km) |
| Ovada to Torres Novas | 948.75 mi (1,526.86 km) |
| Ovada to Torres Vedras | 995.82 mi (1,602.62 km) |
