| Pont-y-pwl to Mexborough | 144.37 mi (232.34 km) |
| Pont-y-pwl to Mickleover | 103.96 mi (167.31 km) |
| Pont-y-pwl to Middlesbrough | 212.17 mi (341.45 km) |
| Pont-y-pwl to Middleton | 132.88 mi (213.84 km) |
| Pont-y-pwl to Middlewich | 105.92 mi (170.46 km) |
| Pont-y-pwl to Midsomer Norton | 37.63 mi (60.56 km) |
| Pont-y-pwl to Mildenhall | 157.28 mi (253.12 km) |
| Pont-y-pwl to Milford Haven | 85.70 mi (137.92 km) |
| Pont-y-pwl to Mill Hill | 120.61 mi (194.10 km) |
| Pont-y-pwl to Milngavie | 297.44 mi (478.69 km) |
| Pont-y-pwl to Milnrow | 137.41 mi (221.14 km) |
| Pont-y-pwl to Milton | 100.49 mi (161.73 km) |
| Pont-y-pwl to Milton Keynes | 100.05 mi (161.01 km) |
| Pont-y-pwl to Minehead | 39.20 mi (63.09 km) |
| Pont-y-pwl to Minster | 166.49 mi (267.94 km) |
