| Solothurn to Sesimbra | 1,034.63 mi (1,665.08 km) |
| Solothurn to Setubal | 1,022.54 mi (1,645.62 km) |
| Solothurn to Sever do Vouga | 906.22 mi (1,458.41 km) |
| Solothurn to Silves | 1,068.02 mi (1,718.82 km) |
| Solothurn to Sines | 1,047.77 mi (1,686.22 km) |
| Solothurn to Sintra | 1,030.53 mi (1,658.47 km) |
| Solothurn to Sobrado de Paiva | 890.19 mi (1,432.62 km) |
| Solothurn to Sobral de Monte Agraco | 1,011.10 mi (1,627.21 km) |
| Solothurn to Soure | 945.27 mi (1,521.27 km) |
| Solothurn to Tabua | 906.91 mi (1,459.52 km) |
| Solothurn to Tavira | 1,041.42 mi (1,676.01 km) |
| Solothurn to Tomar | 955.24 mi (1,537.30 km) |
| Solothurn to Tondela | 902.80 mi (1,452.91 km) |
| Solothurn to Torre de Moncorvo | 834.98 mi (1,343.77 km) |
| Solothurn to Torres Novas | 965.85 mi (1,554.38 km) |
