| Thames Ditton to Grottaferrata | 903.59 mi (1,454.18 km) |
| Thames Ditton to Grottaglie | 1,130.65 mi (1,819.60 km) |
| Thames Ditton to Grottammare | 881.10 mi (1,418.00 km) |
| Thames Ditton to Grugliasco | 567.88 mi (913.91 km) |
| Thames Ditton to Grumo Appula | 1,080.09 mi (1,738.24 km) |
| Thames Ditton to Grumo Nevano | 1,001.39 mi (1,611.57 km) |
| Thames Ditton to Gualdo Tadino | 831.38 mi (1,337.98 km) |
| Thames Ditton to Guardiagrele | 933.17 mi (1,501.80 km) |
| Thames Ditton to Guastalla | 674.71 mi (1,085.85 km) |
| Thames Ditton to Gubbio | 818.07 mi (1,316.55 km) |
| Thames Ditton to Guspini | 925.62 mi (1,489.64 km) |
| Thames Ditton to Gussago | 623.68 mi (1,003.72 km) |
| Thames Ditton to Iesi | 832.67 mi (1,340.06 km) |
| Thames Ditton to Iesolo | 717.52 mi (1,154.73 km) |
| Thames Ditton to Iglesias | 937.02 mi (1,507.99 km) |
