| Maidenhead to Grottaferrata | 922.10 mi (1,483.98 km) |
| Maidenhead to Grottaglie | 1,149.57 mi (1,850.05 km) |
| Maidenhead to Grottammare | 899.98 mi (1,448.38 km) |
| Maidenhead to Grugliasco | 585.97 mi (943.02 km) |
| Maidenhead to Grumo Appula | 1,099.00 mi (1,768.67 km) |
| Maidenhead to Grumo Nevano | 1,020.02 mi (1,641.56 km) |
| Maidenhead to Gualdo Tadino | 850.18 mi (1,368.23 km) |
| Maidenhead to Guardiagrele | 951.99 mi (1,532.08 km) |
| Maidenhead to Guastalla | 693.53 mi (1,116.13 km) |
| Maidenhead to Gubbio | 836.86 mi (1,346.79 km) |
| Maidenhead to Guspini | 942.16 mi (1,516.26 km) |
| Maidenhead to Gussago | 642.56 mi (1,034.10 km) |
| Maidenhead to Iesi | 851.56 mi (1,370.46 km) |
| Maidenhead to Iesolo | 736.52 mi (1,185.32 km) |
| Maidenhead to Iglesias | 953.45 mi (1,534.43 km) |
