| Hemel Hempstead to Gaeta | 984.47 mi (1,584.36 km) |
| Hemel Hempstead to Gaggiano | 616.38 mi (991.97 km) |
| Hemel Hempstead to Galatina | 1,194.51 mi (1,922.38 km) |
| Hemel Hempstead to Galatone | 1,191.86 mi (1,918.12 km) |
| Hemel Hempstead to Galbiate | 607.65 mi (977.91 km) |
| Hemel Hempstead to Gallarate | 595.11 mi (957.74 km) |
| Hemel Hempstead to Galliate | 601.64 mi (968.25 km) |
| Hemel Hempstead to Gallipoli | 1,194.13 mi (1,921.77 km) |
| Hemel Hempstead to Gambettola | 791.41 mi (1,273.65 km) |
| Hemel Hempstead to Gambolo | 618.65 mi (995.62 km) |
| Hemel Hempstead to Garbagnate Milanese | 608.98 mi (980.06 km) |
| Hemel Hempstead to Gardone Val Trompia | 640.47 mi (1,030.73 km) |
| Hemel Hempstead to Garlasco | 623.37 mi (1,003.22 km) |
| Hemel Hempstead to Gassino Torinese | 594.28 mi (956.41 km) |
| Hemel Hempstead to Gatteo | 793.96 mi (1,277.75 km) |
