| Harborne to Grottaferrata | 1,004.33 mi (1,616.31 km) |
| Harborne to Grottaglie | 1,229.41 mi (1,978.54 km) |
| Harborne to Grottammare | 980.27 mi (1,577.60 km) |
| Harborne to Grugliasco | 669.04 mi (1,076.72 km) |
| Harborne to Grumo Appula | 1,178.97 mi (1,897.37 km) |
| Harborne to Grumo Nevano | 1,101.83 mi (1,773.22 km) |
| Harborne to Gualdo Tadino | 931.14 mi (1,498.53 km) |
| Harborne to Guardiagrele | 1,032.81 mi (1,662.15 km) |
| Harborne to Guastalla | 774.42 mi (1,246.30 km) |
| Harborne to Gubbio | 917.88 mi (1,477.18 km) |
| Harborne to Guspini | 1,025.06 mi (1,649.68 km) |
| Harborne to Gussago | 722.98 mi (1,163.53 km) |
| Harborne to Iesi | 931.79 mi (1,499.57 km) |
| Harborne to Iesolo | 814.12 mi (1,310.21 km) |
| Harborne to Iglesias | 1,036.25 mi (1,667.68 km) |
