| Grenchen to Grottaferrata | 454.66 mi (731.70 km) |
| Grenchen to Grottaglie | 678.39 mi (1,091.77 km) |
| Grenchen to Grottammare | 428.49 mi (689.58 km) |
| Grenchen to Grugliasco | 146.91 mi (236.43 km) |
| Grenchen to Grumo Appula | 627.71 mi (1,010.20 km) |
| Grenchen to Grumo Nevano | 550.24 mi (885.52 km) |
| Grenchen to Gualdo Tadino | 378.65 mi (609.38 km) |
| Grenchen to Guardiagrele | 480.38 mi (773.10 km) |
| Grenchen to Guastalla | 221.94 mi (357.17 km) |
| Grenchen to Gubbio | 365.38 mi (588.03 km) |
| Grenchen to Guspini | 532.68 mi (857.27 km) |
| Grenchen to Gussago | 171.14 mi (275.42 km) |
| Grenchen to Iesi | 380.15 mi (611.80 km) |
| Grenchen to Iesolo | 275.13 mi (442.79 km) |
| Grenchen to Iglesias | 547.02 mi (880.34 km) |
