| Harpenden to Maglod | 928.75 mi (1,494.67 km) |
| Harpenden to Mako | 1,015.86 mi (1,634.87 km) |
| Harpenden to Marcali | 876.75 mi (1,411.00 km) |
| Harpenden to Mateszalka | 1,039.29 mi (1,672.57 km) |
| Harpenden to Mezobereny | 1,018.12 mi (1,638.50 km) |
| Harpenden to Mezokovesd | 969.54 mi (1,560.33 km) |
| Harpenden to Mezotur | 996.22 mi (1,603.26 km) |
| Harpenden to Miskolc | 965.62 mi (1,554.02 km) |
| Harpenden to Mohacs | 949.62 mi (1,528.26 km) |
| Harpenden to Monor | 935.75 mi (1,505.94 km) |
| Harpenden to Mor | 883.22 mi (1,421.40 km) |
| Harpenden to Mosonmagyarovar | 828.57 mi (1,333.45 km) |
| Harpenden to Nadudvar | 1,005.84 mi (1,618.75 km) |
| Harpenden to Nagyatad | 887.91 mi (1,428.95 km) |
| Harpenden to Nagykallo | 1,021.31 mi (1,643.65 km) |
