| Windsor to Grottaferrata | 916.67 mi (1,475.24 km) |
| Windsor to Grottaglie | 1,144.06 mi (1,841.19 km) |
| Windsor to Grottammare | 894.48 mi (1,439.53 km) |
| Windsor to Grugliasco | 580.63 mi (934.43 km) |
| Windsor to Grumo Appula | 1,093.50 mi (1,759.81 km) |
| Windsor to Grumo Nevano | 1,014.56 mi (1,632.78 km) |
| Windsor to Gualdo Tadino | 844.69 mi (1,359.40 km) |
| Windsor to Guardiagrele | 946.50 mi (1,523.24 km) |
| Windsor to Guastalla | 688.04 mi (1,107.29 km) |
| Windsor to Gubbio | 831.37 mi (1,337.96 km) |
| Windsor to Guspini | 937.20 mi (1,508.28 km) |
| Windsor to Gussago | 637.06 mi (1,025.25 km) |
| Windsor to Iesi | 846.06 mi (1,361.61 km) |
| Windsor to Iesolo | 731.03 mi (1,176.47 km) |
| Windsor to Iglesias | 948.52 mi (1,526.49 km) |
