| Harrow Weald to Giovinazzo | 1,079.25 mi (1,736.89 km) |
| Harrow Weald to Giugliano in Campania | 1,009.13 mi (1,624.03 km) |
| Harrow Weald to Giulianova | 905.16 mi (1,456.71 km) |
| Harrow Weald to Giussano | 596.31 mi (959.66 km) |
| Harrow Weald to Goito | 667.58 mi (1,074.36 km) |
| Harrow Weald to Gonzaga | 687.49 mi (1,106.41 km) |
| Harrow Weald to Gorgonzola | 610.76 mi (982.93 km) |
| Harrow Weald to Gorizia | 744.76 mi (1,198.58 km) |
| Harrow Weald to Gragnano | 1,032.29 mi (1,661.31 km) |
| Harrow Weald to Grammichele | 1,233.72 mi (1,985.49 km) |
| Harrow Weald to Granarolo del l'Emilia | 728.95 mi (1,173.14 km) |
| Harrow Weald to Gravina in Puglia | 1,089.43 mi (1,753.28 km) |
| Harrow Weald to Grezzana | 666.95 mi (1,073.35 km) |
| Harrow Weald to Gricignano d'Aversa | 1,005.03 mi (1,617.45 km) |
| Harrow Weald to Grosseto | 811.34 mi (1,305.72 km) |
