| Ardea to Setubal | 1,150.57 mi (1,851.67 km) |
| Ardea to Sever do Vouga | 1,086.85 mi (1,749.12 km) |
| Ardea to Silves | 1,158.36 mi (1,864.20 km) |
| Ardea to Sines | 1,161.55 mi (1,869.33 km) |
| Ardea to Sintra | 1,170.58 mi (1,883.87 km) |
| Ardea to Sobrado de Paiva | 1,078.26 mi (1,735.28 km) |
| Ardea to Sobral de Monte Agraco | 1,154.16 mi (1,857.44 km) |
| Ardea to Soure | 1,109.86 mi (1,786.15 km) |
| Ardea to Tabua | 1,074.24 mi (1,728.82 km) |
| Ardea to Tavira | 1,119.93 mi (1,802.35 km) |
| Ardea to Tomar | 1,105.80 mi (1,779.62 km) |
| Ardea to Tondela | 1,074.95 mi (1,729.97 km) |
| Ardea to Torre de Moncorvo | 1,018.20 mi (1,638.63 km) |
| Ardea to Torres Novas | 1,114.09 mi (1,792.95 km) |
| Ardea to Torres Vedras | 1,158.85 mi (1,864.99 km) |
