| Dorchester to March | 166.74 mi (268.34 km) |
| Dorchester to Margate | 172.25 mi (277.21 km) |
| Dorchester to Market Drayton | 151.26 mi (243.43 km) |
| Dorchester to Market Harborough | 138.04 mi (222.15 km) |
| Dorchester to Marlow | 92.97 mi (149.62 km) |
| Dorchester to Marple | 185.97 mi (299.28 km) |
| Dorchester to Marton | 269.06 mi (433.01 km) |
| Dorchester to Maryport | 279.70 mi (450.13 km) |
| Dorchester to Matlock | 171.73 mi (276.37 km) |
| Dorchester to Melksham | 47.12 mi (75.83 km) |
| Dorchester to Meltham | 200.30 mi (322.35 km) |
| Dorchester to Melton Mowbray | 156.44 mi (251.77 km) |
| Dorchester to Merthyr Tudful | 81.85 mi (131.73 km) |
| Dorchester to Methil | 378.63 mi (609.35 km) |
| Dorchester to Mexborough | 198.47 mi (319.40 km) |
