| Dorchester to Melzo | 653.72 mi (1,052.06 km) |
| Dorchester to Mendicino | 1,200.13 mi (1,931.42 km) |
| Dorchester to Menfi | 1,179.73 mi (1,898.60 km) |
| Dorchester to Mentana | 934.22 mi (1,503.49 km) |
| Dorchester to Merano | 678.87 mi (1,092.53 km) |
| Dorchester to Merate | 646.00 mi (1,039.64 km) |
| Dorchester to Mercato San Severino | 1,071.94 mi (1,725.12 km) |
| Dorchester to Mercogliano | 1,064.18 mi (1,712.64 km) |
| Dorchester to Mesagne | 1,196.61 mi (1,925.76 km) |
| Dorchester to Messina | 1,233.06 mi (1,984.41 km) |
| Dorchester to Mestre | 765.43 mi (1,231.84 km) |
| Dorchester to Mestrino | 748.01 mi (1,203.81 km) |
| Dorchester to Milan | 646.47 mi (1,040.39 km) |
| Dorchester to Milazzo | 1,220.86 mi (1,964.78 km) |
| Dorchester to Minerbio | 770.32 mi (1,239.70 km) |
