| Harpenden to Marianske Lazne | 582.29 mi (937.10 km) |
| Harpenden to Melnik | 650.28 mi (1,046.52 km) |
| Harpenden to Milovice | 670.18 mi (1,078.55 km) |
| Harpenden to Mlada Boleslav | 667.56 mi (1,074.34 km) |
| Harpenden to Mnichovo Hradiste | 668.52 mi (1,075.87 km) |
| Harpenden to Mohelnice | 765.45 mi (1,231.87 km) |
| Harpenden to Moravska Trebova | 754.96 mi (1,215.00 km) |
| Harpenden to Most | 611.95 mi (984.84 km) |
| Harpenden to Nachod | 721.22 mi (1,160.70 km) |
| Harpenden to Neratovice | 653.76 mi (1,052.12 km) |
| Harpenden to Nova Paka | 692.26 mi (1,114.09 km) |
| Harpenden to Nove Mesto na Morave | 734.04 mi (1,181.32 km) |
| Harpenden to Nove Mesto nad Metuji | 721.96 mi (1,161.88 km) |
| Harpenden to Novy Bor | 647.20 mi (1,041.57 km) |
| Harpenden to Novy Jicin | 815.74 mi (1,312.81 km) |
