| Itri to Setubal | 1,200.37 mi (1,931.81 km) |
| Itri to Sever do Vouga | 1,139.44 mi (1,833.76 km) |
| Itri to Silves | 1,205.91 mi (1,940.72 km) |
| Itri to Sines | 1,210.49 mi (1,948.09 km) |
| Itri to Sintra | 1,220.93 mi (1,964.89 km) |
| Itri to Sobrado de Paiva | 1,131.18 mi (1,820.46 km) |
| Itri to Sobral de Monte Agraco | 1,204.73 mi (1,938.83 km) |
| Itri to Soure | 1,161.67 mi (1,869.52 km) |
| Itri to Tabua | 1,126.32 mi (1,812.64 km) |
| Itri to Tavira | 1,166.94 mi (1,878.01 km) |
| Itri to Tomar | 1,156.97 mi (1,861.96 km) |
| Itri to Tondela | 1,127.24 mi (1,814.12 km) |
| Itri to Torre de Moncorvo | 1,071.18 mi (1,723.89 km) |
| Itri to Torres Novas | 1,165.10 mi (1,875.05 km) |
| Itri to Torres Vedras | 1,209.55 mi (1,946.58 km) |
