| Grenchen to Rende | 699.21 mi (1,125.27 km) |
| Grenchen to Resana | 242.09 mi (389.61 km) |
| Grenchen to Rescaldina | 131.54 mi (211.70 km) |
| Grenchen to Rezzato | 181.11 mi (291.47 km) |
| Grenchen to Rho | 138.57 mi (223.01 km) |
| Grenchen to Ribera | 733.07 mi (1,179.76 km) |
| Grenchen to Riccione Marina | 336.18 mi (541.03 km) |
| Grenchen to Riesi | 764.53 mi (1,230.40 km) |
| Grenchen to Rieti | 425.25 mi (684.37 km) |
| Grenchen to Rignano Flaminio | 425.61 mi (684.96 km) |
| Grenchen to Rignano sull'Arno | 309.73 mi (498.46 km) |
| Grenchen to Rimini | 330.41 mi (531.75 km) |
| Grenchen to Rionero in Vulture | 596.47 mi (959.93 km) |
| Grenchen to Riposto | 764.08 mi (1,229.67 km) |
| Grenchen to Riva del Garda | 187.33 mi (301.48 km) |
