| Walton upon Thames to Grottaferrata | 906.12 mi (1,458.26 km) |
| Walton upon Thames to Grottaglie | 1,133.49 mi (1,824.17 km) |
| Walton upon Thames to Grottammare | 883.90 mi (1,422.50 km) |
| Walton upon Thames to Grugliasco | 570.19 mi (917.63 km) |
| Walton upon Thames to Grumo Appula | 1,082.92 mi (1,742.79 km) |
| Walton upon Thames to Grumo Nevano | 1,003.99 mi (1,615.77 km) |
| Walton upon Thames to Gualdo Tadino | 834.11 mi (1,342.37 km) |
| Walton upon Thames to Guardiagrele | 935.91 mi (1,506.20 km) |
| Walton upon Thames to Guastalla | 677.45 mi (1,090.25 km) |
| Walton upon Thames to Gubbio | 820.78 mi (1,320.92 km) |
| Walton upon Thames to Guspini | 927.33 mi (1,492.40 km) |
| Walton upon Thames to Gussago | 626.48 mi (1,008.22 km) |
| Walton upon Thames to Iesi | 835.48 mi (1,344.58 km) |
| Walton upon Thames to Iesolo | 720.54 mi (1,159.60 km) |
| Walton upon Thames to Iglesias | 938.70 mi (1,510.69 km) |
