| Harpenden to Geraardsbergen | 196.19 mi (315.73 km) |
| Harpenden to Gerpinnes | 235.21 mi (378.53 km) |
| Harpenden to Gistel | 149.94 mi (241.30 km) |
| Harpenden to Gooik | 205.39 mi (330.54 km) |
| Harpenden to Grez-Doiceau | 230.81 mi (371.46 km) |
| Harpenden to Grimbergen | 213.14 mi (343.02 km) |
| Harpenden to Grobbendonk | 222.08 mi (357.40 km) |
| Harpenden to Haacht | 222.75 mi (358.48 km) |
| Harpenden to Haaltert | 198.16 mi (318.90 km) |
| Harpenden to Halen | 243.21 mi (391.40 km) |
| Harpenden to Halle | 211.93 mi (341.07 km) |
| Harpenden to Hamme | 199.66 mi (321.32 km) |
| Harpenden to Hannut | 248.13 mi (399.32 km) |
| Harpenden to Harelbeke | 171.56 mi (276.10 km) |
| Harpenden to Hasselt | 252.91 mi (407.02 km) |
