| Grenchen to Rodgau | 206.73 mi (332.71 km) |
| Grenchen to Roding | 273.57 mi (440.27 km) |
| Grenchen to Rodinghausen | 353.25 mi (568.50 km) |
| Grenchen to Roetgen | 245.11 mi (394.46 km) |
| Grenchen to Rommerskirchen | 267.50 mi (430.51 km) |
| Grenchen to Ronnenberg | 368.39 mi (592.86 km) |
| Grenchen to Rosbach vor der Hohe | 222.80 mi (358.56 km) |
| Grenchen to Rosdorf | 318.32 mi (512.28 km) |
| Grenchen to Rosenheim | 225.63 mi (363.12 km) |
| Grenchen to Rosrath | 256.48 mi (412.76 km) |
| Grenchen to Rossdorf | 194.52 mi (313.05 km) |
| Grenchen to Rosstal | 221.30 mi (356.15 km) |
| Grenchen to Rostock | 519.22 mi (835.61 km) |
| Grenchen to Rotenburg an der Fulda | 283.27 mi (455.87 km) |
| Grenchen to Roth | 221.54 mi (356.54 km) |
