| Horley to Giovinazzo | 1,056.42 mi (1,700.14 km) |
| Horley to Giugliano in Campania | 984.26 mi (1,584.01 km) |
| Horley to Giulianova | 881.75 mi (1,419.03 km) |
| Horley to Giussano | 572.15 mi (920.79 km) |
| Horley to Goito | 644.28 mi (1,036.88 km) |
| Horley to Gonzaga | 663.91 mi (1,068.46 km) |
| Horley to Gorgonzola | 586.56 mi (943.97 km) |
| Horley to Gorizia | 725.51 mi (1,167.60 km) |
| Horley to Gragnano | 1,007.47 mi (1,621.37 km) |
| Horley to Grammichele | 1,206.93 mi (1,942.37 km) |
| Horley to Granarolo del l'Emilia | 705.45 mi (1,135.31 km) |
| Horley to Gravina in Puglia | 1,066.10 mi (1,715.72 km) |
| Horley to Grezzana | 644.43 mi (1,037.11 km) |
| Horley to Gricignano d'Aversa | 980.21 mi (1,577.50 km) |
| Horley to Grosseto | 785.57 mi (1,264.26 km) |
