| Soma to Sesimbra | 1,963.24 mi (3,159.54 km) |
| Soma to Setubal | 1,951.08 mi (3,139.96 km) |
| Soma to Sever do Vouga | 1,894.87 mi (3,049.50 km) |
| Soma to Silves | 1,949.64 mi (3,137.64 km) |
| Soma to Sines | 1,958.77 mi (3,152.34 km) |
| Soma to Sintra | 1,972.95 mi (3,175.15 km) |
| Soma to Sobrado de Paiva | 1,886.68 mi (3,036.33 km) |
| Soma to Sobral de Monte Agraco | 1,957.29 mi (3,149.96 km) |
| Soma to Soure | 1,916.41 mi (3,084.16 km) |
| Soma to Tabua | 1,881.38 mi (3,027.79 km) |
| Soma to Tavira | 1,909.00 mi (3,072.24 km) |
| Soma to Tomar | 1,910.75 mi (3,075.06 km) |
| Soma to Tondela | 1,882.48 mi (3,029.56 km) |
| Soma to Torre de Moncorvo | 1,826.68 mi (2,939.76 km) |
| Soma to Torres Novas | 1,918.60 mi (3,087.70 km) |
