| Dorchester to Marsala | 1,152.29 mi (1,854.43 km) |
| Dorchester to Marsciano | 879.39 mi (1,415.23 km) |
| Dorchester to Martano | 1,233.14 mi (1,984.54 km) |
| Dorchester to Martellago | 760.04 mi (1,223.17 km) |
| Dorchester to Martina Franca | 1,172.39 mi (1,886.77 km) |
| Dorchester to Martinengo | 664.29 mi (1,069.08 km) |
| Dorchester to Martinsicuro | 940.67 mi (1,513.86 km) |
| Dorchester to Mascali | 1,244.74 mi (2,003.21 km) |
| Dorchester to Mascalucia | 1,249.65 mi (2,011.12 km) |
| Dorchester to Masera di Padova | 757.22 mi (1,218.63 km) |
| Dorchester to Maserada sul Piave | 758.92 mi (1,221.36 km) |
| Dorchester to Massa | 746.02 mi (1,200.61 km) |
| Dorchester to Massa Lombarda | 790.83 mi (1,272.71 km) |
| Dorchester to Massafra | 1,169.59 mi (1,882.27 km) |
| Dorchester to Massalubrense | 1,065.07 mi (1,714.07 km) |
