| Harpenden to Marienheide | 343.14 mi (552.23 km) |
| Harpenden to Markdorf | 518.18 mi (833.94 km) |
| Harpenden to Markgroningen | 461.47 mi (742.67 km) |
| Harpenden to Markkleeberg | 547.78 mi (881.56 km) |
| Harpenden to Markranstadt | 540.60 mi (870.01 km) |
| Harpenden to Markt Indersdorf | 570.72 mi (918.48 km) |
| Harpenden to Markt Schwaben | 596.74 mi (960.36 km) |
| Harpenden to Marktheidenfeld | 454.65 mi (731.69 km) |
| Harpenden to Marktoberdorf | 562.82 mi (905.78 km) |
| Harpenden to Marktredwitz | 554.70 mi (892.71 km) |
| Harpenden to Marl | 319.58 mi (514.31 km) |
| Harpenden to Marpingen | 363.08 mi (584.32 km) |
| Harpenden to Marsberg | 394.49 mi (634.86 km) |
| Harpenden to Maxhutte-Haidhof | 575.42 mi (926.06 km) |
| Harpenden to Mayen | 344.03 mi (553.66 km) |
