| Grenchen to Ratingen | 285.00 mi (458.66 km) |
| Grenchen to Ratzeburg | 473.21 mi (761.55 km) |
| Grenchen to Raubling | 223.63 mi (359.89 km) |
| Grenchen to Rauenberg | 155.62 mi (250.44 km) |
| Grenchen to Raunheim | 201.10 mi (323.65 km) |
| Grenchen to Ravensburg | 111.22 mi (178.99 km) |
| Grenchen to Recke | 358.15 mi (576.39 km) |
| Grenchen to Recklinghausen | 303.81 mi (488.93 km) |
| Grenchen to Regen | 291.78 mi (469.57 km) |
| Grenchen to Regensburg | 250.30 mi (402.82 km) |
| Grenchen to Regenstauf | 255.67 mi (411.47 km) |
| Grenchen to Rehau | 298.29 mi (480.04 km) |
| Grenchen to Rehburg-Loccum | 372.27 mi (599.12 km) |
| Grenchen to Rehlingen-Siersburg | 154.06 mi (247.94 km) |
| Grenchen to Reichelsheim | 186.52 mi (300.18 km) |
