| Somerton to Sesimbra | 5,592.09 mi (8,999.60 km) |
| Somerton to Setubal | 5,598.11 mi (9,009.29 km) |
| Somerton to Sever do Vouga | 5,533.86 mi (8,905.88 km) |
| Somerton to Silves | 5,671.45 mi (9,127.31 km) |
| Somerton to Sines | 5,621.88 mi (9,047.54 km) |
| Somerton to Sintra | 5,565.31 mi (8,956.50 km) |
| Somerton to Sobrado de Paiva | 5,526.30 mi (8,893.72 km) |
| Somerton to Sobral de Monte Agraco | 5,567.19 mi (8,959.52 km) |
| Somerton to Soure | 5,549.30 mi (8,930.73 km) |
| Somerton to Tabua | 5,563.15 mi (8,953.02 km) |
| Somerton to Tavira | 5,709.64 mi (9,188.78 km) |
| Somerton to Tomar | 5,576.51 mi (8,974.52 km) |
| Somerton to Tondela | 5,554.61 mi (8,939.28 km) |
| Somerton to Torre de Moncorvo | 5,567.88 mi (8,960.64 km) |
| Somerton to Torres Novas | 5,576.69 mi (8,974.82 km) |
