| Houghton Regis to Massarosa | 747.75 mi (1,203.39 km) |
| Houghton Regis to Matelica | 866.25 mi (1,394.10 km) |
| Houghton Regis to Matera | 1,122.32 mi (1,806.21 km) |
| Houghton Regis to Matino | 1,208.20 mi (1,944.42 km) |
| Houghton Regis to Mazzarino | 1,237.04 mi (1,990.82 km) |
| Houghton Regis to Meda | 615.76 mi (990.97 km) |
| Houghton Regis to Medesano | 694.38 mi (1,117.50 km) |
| Houghton Regis to Medicina | 757.44 mi (1,218.98 km) |
| Houghton Regis to Meldola | 789.18 mi (1,270.06 km) |
| Houghton Regis to Melegnano | 636.71 mi (1,024.69 km) |
| Houghton Regis to Melendugno | 1,203.10 mi (1,936.21 km) |
| Houghton Regis to Melfi | 1,072.67 mi (1,726.29 km) |
| Houghton Regis to Melilli | 1,270.10 mi (2,044.02 km) |
| Houghton Regis to Melito di Napoli | 1,030.83 mi (1,658.96 km) |
| Houghton Regis to Melito di Porto Salvo | 1,247.39 mi (2,007.48 km) |
