| North Hykeham to Grottaferrata | 998.21 mi (1,606.47 km) |
| North Hykeham to Grottaglie | 1,213.52 mi (1,952.96 km) |
| North Hykeham to Grottammare | 966.54 mi (1,555.50 km) |
| North Hykeham to Grugliasco | 670.39 mi (1,078.89 km) |
| North Hykeham to Grumo Appula | 1,163.59 mi (1,872.61 km) |
| North Hykeham to Grumo Nevano | 1,093.36 mi (1,759.60 km) |
| North Hykeham to Gualdo Tadino | 919.88 mi (1,480.40 km) |
| North Hykeham to Guardiagrele | 1,020.67 mi (1,642.62 km) |
| North Hykeham to Guastalla | 763.70 mi (1,229.05 km) |
| North Hykeham to Gubbio | 906.89 mi (1,459.49 km) |
| North Hykeham to Guspini | 1,038.58 mi (1,671.43 km) |
| North Hykeham to Gussago | 711.04 mi (1,144.31 km) |
| North Hykeham to Iesi | 918.05 mi (1,477.45 km) |
| North Hykeham to Iesolo | 793.99 mi (1,277.80 km) |
| North Hykeham to Iglesias | 1,050.55 mi (1,690.70 km) |
