| Harpenden to Gernsbach | 437.28 mi (703.74 km) |
| Harpenden to Gernsheim | 411.24 mi (661.83 km) |
| Harpenden to Gerstetten | 508.33 mi (818.07 km) |
| Harpenden to Gersthofen | 549.02 mi (883.56 km) |
| Harpenden to Gerstungen | 452.39 mi (728.06 km) |
| Harpenden to Gescher | 313.80 mi (505.01 km) |
| Harpenden to Geseke | 379.46 mi (610.68 km) |
| Harpenden to Gevelsberg | 331.74 mi (533.88 km) |
| Harpenden to Giengen an der Brenz | 517.28 mi (832.48 km) |
| Harpenden to Giesen | 435.76 mi (701.29 km) |
| Harpenden to Giessen | 399.39 mi (642.76 km) |
| Harpenden to Gifhorn | 463.90 mi (746.57 km) |
| Harpenden to Gilching | 576.93 mi (928.47 km) |
| Harpenden to Ginsheim-Gustavsburg | 398.84 mi (641.87 km) |
| Harpenden to Gladbeck | 313.82 mi (505.05 km) |
