| Aytos to Setubal | 1,902.76 mi (3,062.20 km) |
| Aytos to Sever do Vouga | 1,828.30 mi (2,942.37 km) |
| Aytos to Silves | 1,913.67 mi (3,079.76 km) |
| Aytos to Sines | 1,915.36 mi (3,082.47 km) |
| Aytos to Sintra | 1,921.33 mi (3,092.08 km) |
| Aytos to Sobrado de Paiva | 1,817.61 mi (2,925.17 km) |
| Aytos to Sobral de Monte Agraco | 1,904.27 mi (3,064.62 km) |
| Aytos to Soure | 1,855.41 mi (2,986.00 km) |
| Aytos to Tabua | 1,818.63 mi (2,926.79 km) |
| Aytos to Tavira | 1,875.49 mi (3,018.31 km) |
| Aytos to Tomar | 1,854.04 mi (2,983.79 km) |
| Aytos to Tondela | 1,818.25 mi (2,926.19 km) |
| Aytos to Torre de Moncorvo | 1,757.67 mi (2,828.69 km) |
| Aytos to Torres Novas | 1,862.85 mi (2,997.97 km) |
| Aytos to Torres Vedras | 1,908.57 mi (3,071.54 km) |
