| Ferentino to Setubal | 1,186.92 mi (1,910.17 km) |
| Ferentino to Sever do Vouga | 1,122.61 mi (1,806.66 km) |
| Ferentino to Silves | 1,194.79 mi (1,922.82 km) |
| Ferentino to Sines | 1,197.96 mi (1,927.92 km) |
| Ferentino to Sintra | 1,206.87 mi (1,942.26 km) |
| Ferentino to Sobrado de Paiva | 1,113.88 mi (1,792.61 km) |
| Ferentino to Sobral de Monte Agraco | 1,190.41 mi (1,915.78 km) |
| Ferentino to Soure | 1,145.87 mi (1,844.09 km) |
| Ferentino to Tabua | 1,110.17 mi (1,786.64 km) |
| Ferentino to Tavira | 1,156.34 mi (1,860.95 km) |
| Ferentino to Tomar | 1,141.95 mi (1,837.80 km) |
| Ferentino to Tondela | 1,110.82 mi (1,787.69 km) |
| Ferentino to Torre de Moncorvo | 1,053.81 mi (1,695.94 km) |
| Ferentino to Torres Novas | 1,150.27 mi (1,851.18 km) |
| Ferentino to Torres Vedras | 1,195.09 mi (1,923.31 km) |
