| Portage to Sesimbra | 3,897.89 mi (6,273.04 km) |
| Portage to Setubal | 3,904.77 mi (6,284.12 km) |
| Portage to Sever do Vouga | 3,853.60 mi (6,201.76 km) |
| Portage to Silves | 3,973.16 mi (6,394.18 km) |
| Portage to Sines | 3,925.98 mi (6,318.25 km) |
| Portage to Sintra | 3,872.11 mi (6,231.56 km) |
| Portage to Sobrado de Paiva | 3,848.11 mi (6,192.93 km) |
| Portage to Sobral de Monte Agraco | 3,875.61 mi (6,237.20 km) |
| Portage to Soure | 3,864.42 mi (6,219.19 km) |
| Portage to Tabua | 3,881.66 mi (6,246.92 km) |
| Portage to Tavira | 4,012.82 mi (6,458.01 km) |
| Portage to Tomar | 3,889.76 mi (6,259.97 km) |
| Portage to Tondela | 3,873.87 mi (6,234.40 km) |
| Portage to Torre de Moncorvo | 3,894.02 mi (6,266.83 km) |
| Portage to Torres Novas | 3,888.94 mi (6,258.65 km) |
