| Horndean to Gaeta | 964.36 mi (1,551.99 km) |
| Horndean to Gaggiano | 597.94 mi (962.29 km) |
| Horndean to Galatina | 1,181.89 mi (1,902.07 km) |
| Horndean to Galatone | 1,179.00 mi (1,897.42 km) |
| Horndean to Galbiate | 592.33 mi (953.26 km) |
| Horndean to Gallarate | 577.08 mi (928.73 km) |
| Horndean to Galliate | 582.41 mi (937.30 km) |
| Horndean to Gallipoli | 1,180.89 mi (1,900.45 km) |
| Horndean to Gambettola | 777.45 mi (1,251.18 km) |
| Horndean to Gambolo | 598.94 mi (963.90 km) |
| Horndean to Garbagnate Milanese | 591.53 mi (951.98 km) |
| Horndean to Gardone Val Trompia | 627.13 mi (1,009.27 km) |
| Horndean to Garlasco | 603.58 mi (971.36 km) |
| Horndean to Gassino Torinese | 570.25 mi (917.72 km) |
| Horndean to Gatteo | 780.07 mi (1,255.39 km) |
