| Solothurn to Ratingen | 283.80 mi (456.74 km) |
| Solothurn to Ratzeburg | 469.64 mi (755.82 km) |
| Solothurn to Raubling | 216.96 mi (349.17 km) |
| Solothurn to Rauenberg | 151.60 mi (243.97 km) |
| Solothurn to Raunheim | 197.94 mi (318.55 km) |
| Solothurn to Ravensburg | 104.60 mi (168.33 km) |
| Solothurn to Recke | 356.15 mi (573.18 km) |
| Solothurn to Recklinghausen | 302.28 mi (486.47 km) |
| Solothurn to Regen | 285.23 mi (459.04 km) |
| Solothurn to Regensburg | 243.90 mi (392.52 km) |
| Solothurn to Regenstauf | 249.32 mi (401.24 km) |
| Solothurn to Rehau | 292.59 mi (470.88 km) |
| Solothurn to Rehburg-Loccum | 369.23 mi (594.22 km) |
| Solothurn to Rehlingen-Siersburg | 153.78 mi (247.49 km) |
| Solothurn to Reichelsheim | 182.68 mi (294.00 km) |
