| Solothurn to Rheinbach | 237.54 mi (382.29 km) |
| Solothurn to Rheinberg | 302.09 mi (486.17 km) |
| Solothurn to Rheine | 350.10 mi (563.43 km) |
| Solothurn to Rheinfelden (Baden) | 26.69 mi (42.95 km) |
| Solothurn to Ribnitz-Damgarten | 531.37 mi (855.16 km) |
| Solothurn to Richterich | 256.96 mi (413.53 km) |
| Solothurn to Riedlingen | 111.10 mi (178.79 km) |
| Solothurn to Riegelsberg | 146.13 mi (235.18 km) |
| Solothurn to Rielasingen-Worblingen | 70.75 mi (113.86 km) |
| Solothurn to Riesa | 383.67 mi (617.46 km) |
| Solothurn to Rietberg | 319.23 mi (513.75 km) |
| Solothurn to Rinteln | 350.53 mi (564.13 km) |
| Solothurn to Ritterhude | 415.97 mi (669.44 km) |
| Solothurn to Rodenbach | 213.90 mi (344.24 km) |
| Solothurn to Rodental | 266.03 mi (428.13 km) |
