| Pontneddfechan to Mirfield | 154.95 mi (249.36 km) |
| Pontneddfechan to Mitcham | 149.54 mi (240.67 km) |
| Pontneddfechan to Mold | 99.33 mi (159.85 km) |
| Pontneddfechan to Molesey | 140.60 mi (226.28 km) |
| Pontneddfechan to Monkseaton | 243.46 mi (391.82 km) |
| Pontneddfechan to Monmouth | 37.28 mi (60.00 km) |
| Pontneddfechan to Montrose | 345.16 mi (555.48 km) |
| Pontneddfechan to Morden | 147.71 mi (237.71 km) |
| Pontneddfechan to Morecambe | 162.90 mi (262.16 km) |
| Pontneddfechan to Moreton | 115.45 mi (185.80 km) |
| Pontneddfechan to Morley | 160.83 mi (258.83 km) |
| Pontneddfechan to Morpeth | 248.31 mi (399.61 km) |
| Pontneddfechan to Morriston | 16.29 mi (26.21 km) |
| Pontneddfechan to Mosbrough | 143.20 mi (230.46 km) |
| Pontneddfechan to Mossley | 137.82 mi (221.79 km) |
