| Dorchester to Mickleover | 155.66 mi (250.52 km) |
| Dorchester to Middlesbrough | 271.49 mi (436.92 km) |
| Dorchester to Middleton | 196.48 mi (316.21 km) |
| Dorchester to Middlewich | 171.12 mi (275.39 km) |
| Dorchester to Midsomer Norton | 39.35 mi (63.33 km) |
| Dorchester to Mildenhall | 169.39 mi (272.61 km) |
| Dorchester to Milford Haven | 132.21 mi (212.78 km) |
| Dorchester to Mill Hill | 114.21 mi (183.81 km) |
| Dorchester to Milngavie | 369.31 mi (594.34 km) |
| Dorchester to Milnrow | 200.48 mi (322.64 km) |
| Dorchester to Milton | 161.79 mi (260.38 km) |
| Dorchester to Milton Keynes | 116.63 mi (187.70 km) |
| Dorchester to Minehead | 56.35 mi (90.69 km) |
| Dorchester to Minster | 149.10 mi (239.95 km) |
| Dorchester to Mirfield | 207.31 mi (333.64 km) |
