| Allouez to Sesimbra | 3,946.43 mi (6,351.16 km) |
| Allouez to Setubal | 3,952.69 mi (6,361.24 km) |
| Allouez to Sever do Vouga | 3,892.99 mi (6,265.16 km) |
| Allouez to Silves | 4,024.83 mi (6,477.34 km) |
| Allouez to Sines | 3,975.79 mi (6,398.41 km) |
| Allouez to Sintra | 3,919.91 mi (6,308.48 km) |
| Allouez to Sobrado de Paiva | 3,886.28 mi (6,254.36 km) |
| Allouez to Sobral de Monte Agraco | 3,922.27 mi (6,312.28 km) |
| Allouez to Soure | 3,906.64 mi (6,287.13 km) |
| Allouez to Tabua | 3,921.82 mi (6,311.56 km) |
| Allouez to Tavira | 4,063.37 mi (6,539.37 km) |
| Allouez to Tomar | 3,933.20 mi (6,329.87 km) |
| Allouez to Tondela | 3,913.57 mi (6,298.29 km) |
| Allouez to Torre de Moncorvo | 3,929.82 mi (6,324.43 km) |
| Allouez to Torres Novas | 3,933.03 mi (6,329.60 km) |
