| Preston to Grottaferrata | 1,087.75 mi (1,750.57 km) |
| Preston to Grottaglie | 1,306.62 mi (2,102.80 km) |
| Preston to Grottammare | 1,058.88 mi (1,704.10 km) |
| Preston to Grugliasco | 756.02 mi (1,216.70 km) |
| Preston to Grumo Appula | 1,256.53 mi (2,022.19 km) |
| Preston to Grumo Nevano | 1,183.92 mi (1,905.34 km) |
| Preston to Gualdo Tadino | 1,011.36 mi (1,627.63 km) |
| Preston to Guardiagrele | 1,112.53 mi (1,790.44 km) |
| Preston to Guastalla | 854.84 mi (1,375.73 km) |
| Preston to Gubbio | 998.26 mi (1,606.55 km) |
| Preston to Guspini | 1,117.15 mi (1,797.88 km) |
| Preston to Gussago | 802.56 mi (1,291.59 km) |
| Preston to Iesi | 1,010.36 mi (1,626.01 km) |
| Preston to Iesolo | 887.94 mi (1,429.00 km) |
| Preston to Iglesias | 1,128.57 mi (1,816.26 km) |
