| West Little River to Sesimbra | 4,150.04 mi (6,678.84 km) |
| West Little River to Setubal | 4,160.00 mi (6,694.88 km) |
| West Little River to Sever do Vouga | 4,160.31 mi (6,695.37 km) |
| West Little River to Silves | 4,202.30 mi (6,762.95 km) |
| West Little River to Sines | 4,168.96 mi (6,709.30 km) |
| West Little River to Sintra | 4,130.24 mi (6,646.97 km) |
| West Little River to Sobrado de Paiva | 4,161.95 mi (6,698.01 km) |
| West Little River to Sobral de Monte Agraco | 4,140.02 mi (6,662.73 km) |
| West Little River to Soure | 4,154.62 mi (6,686.22 km) |
| West Little River to Tabua | 4,182.24 mi (6,730.66 km) |
| West Little River to Tavira | 4,245.81 mi (6,832.96 km) |
| West Little River to Tomar | 4,171.45 mi (6,713.31 km) |
| West Little River to Tondela | 4,177.53 mi (6,723.09 km) |
| West Little River to Torre de Moncorvo | 4,218.06 mi (6,788.31 km) |
| West Little River to Torres Novas | 4,167.01 mi (6,706.15 km) |
