| Altena to Setubal | 1,192.72 mi (1,919.49 km) |
| Altena to Sever do Vouga | 1,056.30 mi (1,699.95 km) |
| Altena to Silves | 1,253.76 mi (2,017.73 km) |
| Altena to Sines | 1,223.51 mi (1,969.05 km) |
| Altena to Sintra | 1,193.94 mi (1,921.46 km) |
| Altena to Sobrado de Paiva | 1,037.27 mi (1,669.32 km) |
| Altena to Sobral de Monte Agraco | 1,174.20 mi (1,889.69 km) |
| Altena to Soure | 1,101.38 mi (1,772.50 km) |
| Altena to Tabua | 1,064.53 mi (1,713.20 km) |
| Altena to Tavira | 1,234.02 mi (1,985.96 km) |
| Altena to Tomar | 1,118.28 mi (1,799.69 km) |
| Altena to Tondela | 1,058.05 mi (1,702.76 km) |
| Altena to Torre de Moncorvo | 989.96 mi (1,593.19 km) |
| Altena to Torres Novas | 1,129.36 mi (1,817.52 km) |
| Altena to Torres Vedras | 1,174.49 mi (1,890.15 km) |
