| Ainring to Setubal | 1,267.39 mi (2,039.67 km) |
| Ainring to Sever do Vouga | 1,157.19 mi (1,862.32 km) |
| Ainring to Silves | 1,306.64 mi (2,102.84 km) |
| Ainring to Sines | 1,290.50 mi (2,076.86 km) |
| Ainring to Sintra | 1,277.35 mi (2,055.69 km) |
| Ainring to Sobrado de Paiva | 1,141.84 mi (1,837.62 km) |
| Ainring to Sobral de Monte Agraco | 1,258.16 mi (2,024.82 km) |
| Ainring to Soure | 1,194.66 mi (1,922.61 km) |
| Ainring to Tabua | 1,156.24 mi (1,860.79 km) |
| Ainring to Tavira | 1,277.26 mi (2,055.55 km) |
| Ainring to Tomar | 1,202.79 mi (1,935.70 km) |
| Ainring to Tondela | 1,152.71 mi (1,855.10 km) |
| Ainring to Torre de Moncorvo | 1,085.52 mi (1,746.97 km) |
| Ainring to Torres Novas | 1,213.18 mi (1,952.43 km) |
| Ainring to Torres Vedras | 1,260.50 mi (2,028.57 km) |
