| Solothurn to Recica | 354.94 mi (571.23 km) |
| Solothurn to Ribnica | 357.18 mi (574.82 km) |
| Solothurn to Ribnica | 368.41 mi (592.89 km) |
| Solothurn to Rogaska Slatina | 389.68 mi (627.13 km) |
| Solothurn to Rogasovci | 401.31 mi (645.85 km) |
| Solothurn to Rogatec | 392.92 mi (632.34 km) |
| Solothurn to Ruse | 379.72 mi (611.10 km) |
| Solothurn to Salovci | 413.52 mi (665.49 km) |
| Solothurn to Selnica ob Dravi | 378.60 mi (609.29 km) |
| Solothurn to Semic | 379.51 mi (610.77 km) |
| Solothurn to Sempeter pri Gorici | 303.21 mi (487.97 km) |
| Solothurn to Sencur | 332.81 mi (535.60 km) |
| Solothurn to Sentilj | 384.35 mi (618.55 km) |
| Solothurn to Sentjernej | 382.75 mi (615.98 km) |
| Solothurn to Sentjur | 378.63 mi (609.35 km) |
