| Caister-on-Sea to Grottaferrata | 907.09 mi (1,459.83 km) |
| Caister-on-Sea to Grottaglie | 1,116.16 mi (1,796.29 km) |
| Caister-on-Sea to Grottammare | 870.79 mi (1,401.41 km) |
| Caister-on-Sea to Grugliasco | 586.98 mi (944.66 km) |
| Caister-on-Sea to Grumo Appula | 1,066.56 mi (1,716.47 km) |
| Caister-on-Sea to Grumo Nevano | 1,000.43 mi (1,610.03 km) |
| Caister-on-Sea to Gualdo Tadino | 825.70 mi (1,328.84 km) |
| Caister-on-Sea to Guardiagrele | 925.70 mi (1,489.76 km) |
| Caister-on-Sea to Guastalla | 670.49 mi (1,079.06 km) |
| Caister-on-Sea to Gubbio | 812.92 mi (1,308.27 km) |
| Caister-on-Sea to Guspini | 963.68 mi (1,550.90 km) |
| Caister-on-Sea to Gussago | 617.34 mi (993.52 km) |
| Caister-on-Sea to Iesi | 822.43 mi (1,323.57 km) |
| Caister-on-Sea to Iesolo | 695.43 mi (1,119.19 km) |
| Caister-on-Sea to Iglesias | 976.37 mi (1,571.32 km) |
