| Letchworth to Grottaferrata | 928.29 mi (1,493.94 km) |
| Letchworth to Grottaglie | 1,150.77 mi (1,851.99 km) |
| Letchworth to Grottammare | 902.01 mi (1,451.65 km) |
| Letchworth to Grugliasco | 595.60 mi (958.53 km) |
| Letchworth to Grumo Appula | 1,100.42 mi (1,770.96 km) |
| Letchworth to Grumo Nevano | 1,025.07 mi (1,649.69 km) |
| Letchworth to Gualdo Tadino | 853.47 mi (1,373.53 km) |
| Letchworth to Guardiagrele | 954.97 mi (1,536.88 km) |
| Letchworth to Guastalla | 696.77 mi (1,121.34 km) |
| Letchworth to Gubbio | 840.27 mi (1,352.29 km) |
| Letchworth to Guspini | 958.50 mi (1,542.55 km) |
| Letchworth to Gussago | 644.97 mi (1,037.97 km) |
| Letchworth to Iesi | 853.50 mi (1,373.57 km) |
| Letchworth to Iesolo | 734.60 mi (1,182.22 km) |
| Letchworth to Iglesias | 970.18 mi (1,561.36 km) |
