| Islington to Grottaferrata | 903.62 mi (1,454.24 km) |
| Islington to Grottaglie | 1,128.75 mi (1,816.56 km) |
| Islington to Grottammare | 879.49 mi (1,415.41 km) |
| Islington to Grugliasco | 569.26 mi (916.14 km) |
| Islington to Grumo Appula | 1,078.28 mi (1,735.32 km) |
| Islington to Grumo Nevano | 1,000.99 mi (1,610.93 km) |
| Islington to Gualdo Tadino | 830.26 mi (1,336.18 km) |
| Islington to Guardiagrele | 931.95 mi (1,499.82 km) |
| Islington to Guastalla | 673.54 mi (1,083.96 km) |
| Islington to Gubbio | 816.99 mi (1,314.82 km) |
| Islington to Guspini | 929.80 mi (1,496.37 km) |
| Islington to Gussago | 622.16 mi (1,001.27 km) |
| Islington to Iesi | 831.02 mi (1,337.40 km) |
| Islington to Iesolo | 714.33 mi (1,149.61 km) |
| Islington to Iglesias | 941.37 mi (1,514.99 km) |
