| Solothurn to Solofra | 571.01 mi (918.95 km) |
| Solothurn to Somma Lombardo | 119.62 mi (192.51 km) |
| Solothurn to Somma Vesuviana | 556.03 mi (894.85 km) |
| Solothurn to Sommacampagna | 201.99 mi (325.08 km) |
| Solothurn to Sona | 199.91 mi (321.72 km) |
| Solothurn to Sondrio | 132.26 mi (212.86 km) |
| Solothurn to Sora | 483.82 mi (778.63 km) |
| Solothurn to Sorbolo | 215.33 mi (346.54 km) |
| Solothurn to Soresina | 173.51 mi (279.24 km) |
| Solothurn to Sorisole | 143.69 mi (231.25 km) |
| Solothurn to Sorrento | 567.97 mi (914.05 km) |
| Solothurn to Sorso | 446.48 mi (718.54 km) |
| Solothurn to Sortino | 792.57 mi (1,275.52 km) |
| Solothurn to Soverato Marina | 744.30 mi (1,197.83 km) |
| Solothurn to Sovicille | 325.88 mi (524.45 km) |
