| Houghton Regis to Mitcham | 38.26 mi (61.57 km) |
| Houghton Regis to Mold | 140.06 mi (225.41 km) |
| Houghton Regis to Molesey | 35.43 mi (57.02 km) |
| Houghton Regis to Monkseaton | 220.26 mi (354.48 km) |
| Houghton Regis to Monmouth | 93.90 mi (151.12 km) |
| Houghton Regis to Montrose | 341.00 mi (548.79 km) |
| Houghton Regis to Morden | 37.48 mi (60.32 km) |
| Houghton Regis to Morecambe | 178.80 mi (287.75 km) |
| Houghton Regis to Moreton | 149.82 mi (241.11 km) |
| Houghton Regis to Morley | 135.20 mi (217.58 km) |
| Houghton Regis to Morpeth | 230.51 mi (370.97 km) |
| Houghton Regis to Morriston | 146.85 mi (236.33 km) |
| Houghton Regis to Mosbrough | 104.28 mi (167.82 km) |
| Houghton Regis to Mossley | 128.07 mi (206.11 km) |
| Houghton Regis to Moston | 131.25 mi (211.23 km) |
