| Grenchen to Reichenbach/Vogtland | 324.88 mi (522.84 km) |
| Grenchen to Reinbek | 454.20 mi (730.97 km) |
| Grenchen to Reinfeld | 478.47 mi (770.02 km) |
| Grenchen to Reinheim | 193.61 mi (311.59 km) |
| Grenchen to Reiskirchen | 244.43 mi (393.37 km) |
| Grenchen to Rellingen | 458.77 mi (738.32 km) |
| Grenchen to Remagen | 234.21 mi (376.92 km) |
| Grenchen to Remscheid | 276.01 mi (444.20 km) |
| Grenchen to Rendsburg | 501.07 mi (806.39 km) |
| Grenchen to Renningen | 130.04 mi (209.28 km) |
| Grenchen to Reutlingen | 122.89 mi (197.78 km) |
| Grenchen to Rhaude | 412.96 mi (664.60 km) |
| Grenchen to Rheda-Wiedenbruck | 323.90 mi (521.26 km) |
| Grenchen to Rhede | 322.29 mi (518.68 km) |
| Grenchen to Rheinau | 105.06 mi (169.08 km) |
