| Tarquinia to Setubal | 1,113.74 mi (1,792.39 km) |
| Tarquinia to Sever do Vouga | 1,044.25 mi (1,680.56 km) |
| Tarquinia to Silves | 1,125.65 mi (1,811.56 km) |
| Tarquinia to Sines | 1,126.31 mi (1,812.62 km) |
| Tarquinia to Sintra | 1,132.65 mi (1,822.83 km) |
| Tarquinia to Sobrado de Paiva | 1,034.89 mi (1,665.49 km) |
| Tarquinia to Sobral de Monte Agraco | 1,115.80 mi (1,795.70 km) |
| Tarquinia to Soure | 1,069.00 mi (1,720.38 km) |
| Tarquinia to Tabua | 1,032.82 mi (1,662.16 km) |
| Tarquinia to Tavira | 1,088.21 mi (1,751.30 km) |
| Tarquinia to Tomar | 1,066.29 mi (1,716.03 km) |
| Tarquinia to Tondela | 1,033.07 mi (1,662.56 km) |
| Tarquinia to Torre de Moncorvo | 974.78 mi (1,568.75 km) |
| Tarquinia to Torres Novas | 1,074.88 mi (1,729.86 km) |
| Tarquinia to Torres Vedras | 1,120.24 mi (1,802.86 km) |
