| Dorchester to Lye | 121.25 mi (195.14 km) |
| Dorchester to Lymington | 38.85 mi (62.52 km) |
| Dorchester to Lymm | 184.35 mi (296.68 km) |
| Dorchester to Mablethorpe | 214.58 mi (345.33 km) |
| Dorchester to Macclesfield | 175.61 mi (282.62 km) |
| Dorchester to Mackworth | 157.60 mi (253.64 km) |
| Dorchester to Madeley | 132.77 mi (213.67 km) |
| Dorchester to Maesteg | 81.14 mi (130.58 km) |
| Dorchester to Maghull | 194.79 mi (313.49 km) |
| Dorchester to Maidenhead | 93.07 mi (149.77 km) |
| Dorchester to Maidstone | 134.57 mi (216.57 km) |
| Dorchester to Maldon | 151.88 mi (244.42 km) |
| Dorchester to Maltby | 194.39 mi (312.84 km) |
| Dorchester to Manchester | 191.15 mi (307.62 km) |
| Dorchester to Mansfield | 175.94 mi (283.15 km) |
