| Hemel Hempstead to Gavardo | 653.90 mi (1,052.35 km) |
| Hemel Hempstead to Gavirate | 583.20 mi (938.56 km) |
| Hemel Hempstead to Gavorrano | 807.98 mi (1,300.32 km) |
| Hemel Hempstead to Gela | 1,242.87 mi (2,000.21 km) |
| Hemel Hempstead to Gemona del Friuli | 721.29 mi (1,160.81 km) |
| Hemel Hempstead to Genoa | 666.48 mi (1,072.59 km) |
| Hemel Hempstead to Genzano di Roma | 930.32 mi (1,497.21 km) |
| Hemel Hempstead to Gessate | 621.86 mi (1,000.79 km) |
| Hemel Hempstead to Ghedi | 657.57 mi (1,058.25 km) |
| Hemel Hempstead to Giarre | 1,230.79 mi (1,980.76 km) |
| Hemel Hempstead to Giaveno | 585.57 mi (942.39 km) |
| Hemel Hempstead to Giffoni Valle Piana | 1,055.66 mi (1,698.92 km) |
| Hemel Hempstead to Ginosa | 1,128.02 mi (1,815.37 km) |
| Hemel Hempstead to Gioia del Colle | 1,118.73 mi (1,800.43 km) |
| Hemel Hempstead to Gioia Tauro | 1,212.71 mi (1,951.66 km) |
