| Hertford to Gavardo | 642.37 mi (1,033.79 km) |
| Hertford to Gavirate | 572.68 mi (921.64 km) |
| Hertford to Gavorrano | 798.33 mi (1,284.79 km) |
| Hertford to Gela | 1,234.29 mi (1,986.40 km) |
| Hertford to Gemona del Friuli | 707.71 mi (1,138.95 km) |
| Hertford to Genoa | 657.18 mi (1,057.64 km) |
| Hertford to Genzano di Roma | 920.31 mi (1,481.09 km) |
| Hertford to Gessate | 611.08 mi (983.44 km) |
| Hertford to Ghedi | 646.31 mi (1,040.14 km) |
| Hertford to Giarre | 1,221.40 mi (1,965.65 km) |
| Hertford to Giaveno | 577.17 mi (928.87 km) |
| Hertford to Giffoni Valle Piana | 1,044.94 mi (1,681.67 km) |
| Hertford to Ginosa | 1,116.53 mi (1,796.88 km) |
| Hertford to Gioia del Colle | 1,107.01 mi (1,781.55 km) |
| Hertford to Gioia Tauro | 1,202.63 mi (1,935.44 km) |
