| Horley to Gaeta | 948.34 mi (1,526.21 km) |
| Horley to Gaggiano | 580.61 mi (934.40 km) |
| Horley to Galatina | 1,161.43 mi (1,869.15 km) |
| Horley to Galatone | 1,158.68 mi (1,864.72 km) |
| Horley to Galbiate | 573.08 mi (922.28 km) |
| Horley to Gallarate | 559.47 mi (900.38 km) |
| Horley to Galliate | 565.56 mi (910.18 km) |
| Horley to Gallipoli | 1,160.79 mi (1,868.11 km) |
| Horley to Gambettola | 757.57 mi (1,219.19 km) |
| Horley to Gambolo | 582.41 mi (937.30 km) |
| Horley to Garbagnate Milanese | 573.58 mi (923.09 km) |
| Horley to Gardone Val Trompia | 606.75 mi (976.47 km) |
| Horley to Garlasco | 587.11 mi (944.86 km) |
| Horley to Gassino Torinese | 556.53 mi (895.65 km) |
| Horley to Gatteo | 760.15 mi (1,223.34 km) |
