| Middlesex to Mirfield | 3,380.56 mi (5,440.48 km) |
| Middlesex to Mitcham | 3,488.74 mi (5,614.59 km) |
| Middlesex to Mold | 3,332.74 mi (5,363.52 km) |
| Middlesex to Molesey | 3,480.10 mi (5,600.69 km) |
| Middlesex to Monkseaton | 3,364.75 mi (5,415.04 km) |
| Middlesex to Monmouth | 3,375.15 mi (5,431.78 km) |
| Middlesex to Montrose | 3,299.62 mi (5,310.22 km) |
| Middlesex to Morden | 3,486.96 mi (5,611.73 km) |
| Middlesex to Morecambe | 3,327.03 mi (5,354.34 km) |
| Middlesex to Moreton | 3,329.38 mi (5,358.12 km) |
| Middlesex to Morley | 3,382.68 mi (5,443.90 km) |
| Middlesex to Morpeth | 3,353.72 mi (5,397.29 km) |
| Middlesex to Morriston | 3,327.91 mi (5,355.76 km) |
| Middlesex to Mosbrough | 3,400.24 mi (5,472.16 km) |
| Middlesex to Mossley | 3,369.85 mi (5,423.24 km) |
