| Dorchester to Marshall (Minnesota) | 4,074.00 mi (6,556.47 km) |
| Dorchester to Marshall (Missouri) | 4,228.52 mi (6,805.15 km) |
| Dorchester to Marshall (Texas) | 4,595.95 mi (7,396.46 km) |
| Dorchester to Marshalltown (Iowa) | 4,079.45 mi (6,565.24 km) |
| Dorchester to Marshfield (Wisconsin) | 3,856.45 mi (6,206.35 km) |
| Dorchester to Martha Lake (Washington) | 4,749.16 mi (7,643.03 km) |
| Dorchester to Martin (Tennessee) | 4,188.71 mi (6,741.08 km) |
| Dorchester to Martinez (California) | 5,301.87 mi (8,532.54 km) |
| Dorchester to Martinez (Georgia) | 4,043.48 mi (6,507.36 km) |
| Dorchester to Martinsburg (West Virginia) | 3,601.39 mi (5,795.88 km) |
| Dorchester to Martinsville (Indiana) | 3,947.85 mi (6,353.44 km) |
| Dorchester to Martinsville (New Jersey) | 3,411.07 mi (5,489.58 km) |
| Dorchester to Martinsville (Virginia) | 3,803.33 mi (6,120.86 km) |
| Dorchester to Maryland City (Maryland) | 3,568.16 mi (5,742.40 km) |
| Dorchester to Maryland Heights (Missouri) | 4,140.77 mi (6,663.93 km) |
