| Castelfidardo to Setubal | 1,214.68 mi (1,954.84 km) |
| Castelfidardo to Sever do Vouga | 1,135.71 mi (1,827.75 km) |
| Castelfidardo to Silves | 1,232.09 mi (1,982.86 km) |
| Castelfidardo to Sines | 1,229.48 mi (1,978.66 km) |
| Castelfidardo to Sintra | 1,231.88 mi (1,982.52 km) |
| Castelfidardo to Sobrado de Paiva | 1,124.87 mi (1,810.30 km) |
| Castelfidardo to Sobral de Monte Agraco | 1,214.40 mi (1,954.39 km) |
| Castelfidardo to Soure | 1,163.57 mi (1,872.58 km) |
| Castelfidardo to Tabua | 1,126.53 mi (1,812.98 km) |
| Castelfidardo to Tavira | 1,195.92 mi (1,924.64 km) |
| Castelfidardo to Tomar | 1,163.21 mi (1,872.01 km) |
| Castelfidardo to Tondela | 1,125.93 mi (1,812.02 km) |
| Castelfidardo to Torre de Moncorvo | 1,064.95 mi (1,713.87 km) |
| Castelfidardo to Torres Novas | 1,172.27 mi (1,886.59 km) |
| Castelfidardo to Torres Vedras | 1,218.43 mi (1,960.88 km) |
