| Walthamstow to Grottaferrata | 902.97 mi (1,453.20 km) |
| Walthamstow to Grottaglie | 1,127.51 mi (1,814.56 km) |
| Walthamstow to Grottammare | 878.35 mi (1,413.56 km) |
| Walthamstow to Grugliasco | 569.05 mi (915.80 km) |
| Walthamstow to Grumo Appula | 1,077.06 mi (1,733.36 km) |
| Walthamstow to Grumo Nevano | 1,000.20 mi (1,609.66 km) |
| Walthamstow to Gualdo Tadino | 829.26 mi (1,334.57 km) |
| Walthamstow to Guardiagrele | 930.91 mi (1,498.16 km) |
| Walthamstow to Guastalla | 672.54 mi (1,082.34 km) |
| Walthamstow to Gubbio | 816.01 mi (1,313.24 km) |
| Walthamstow to Guspini | 930.44 mi (1,497.39 km) |
| Walthamstow to Gussago | 621.06 mi (999.50 km) |
| Walthamstow to Iesi | 829.86 mi (1,335.54 km) |
| Walthamstow to Iesolo | 712.73 mi (1,147.03 km) |
| Walthamstow to Iglesias | 942.05 mi (1,516.09 km) |
