| Grantham to Grottaferrata | 986.41 mi (1,587.47 km) |
| Grantham to Grottaglie | 1,203.76 mi (1,937.27 km) |
| Grantham to Grottammare | 956.23 mi (1,538.91 km) |
| Grantham to Grugliasco | 657.03 mi (1,057.39 km) |
| Grantham to Grumo Appula | 1,153.71 mi (1,856.72 km) |
| Grantham to Grumo Nevano | 1,082.05 mi (1,741.39 km) |
| Grantham to Gualdo Tadino | 909.04 mi (1,462.96 km) |
| Grantham to Guardiagrele | 1,010.06 mi (1,625.54 km) |
| Grantham to Guastalla | 752.65 mi (1,211.27 km) |
| Grantham to Gubbio | 895.99 mi (1,441.95 km) |
| Grantham to Guspini | 1,023.52 mi (1,647.20 km) |
| Grantham to Gussago | 700.20 mi (1,126.86 km) |
| Grantham to Iesi | 907.72 mi (1,460.83 km) |
| Grantham to Iesolo | 784.96 mi (1,263.28 km) |
| Grantham to Iglesias | 1,035.38 mi (1,666.29 km) |
