| Dorchester to Merrick (New York) | 3,366.41 mi (5,417.72 km) |
| Dorchester to Merrifield (Virginia) | 3,596.35 mi (5,787.77 km) |
| Dorchester to Merrillville (Indiana) | 3,889.62 mi (6,259.74 km) |
| Dorchester to Merritt Island (Florida) | 4,232.91 mi (6,812.20 km) |
| Dorchester to Mesa (Arizona) | 5,211.75 mi (8,387.51 km) |
| Dorchester to Mesquite (Nevada) | 5,110.33 mi (8,224.29 km) |
| Dorchester to Mesquite (Texas) | 4,673.99 mi (7,522.05 km) |
| Dorchester to Metairie (Louisiana) | 4,552.12 mi (7,325.93 km) |
| Dorchester to Methuen Town (Massachusetts) | 3,183.10 mi (5,122.71 km) |
| Dorchester to Metuchen (New Jersey) | 3,404.76 mi (5,479.43 km) |
| Dorchester to Mexico (Missouri) | 4,174.56 mi (6,718.31 km) |
| Dorchester to Miami (Florida) | 4,337.62 mi (6,980.73 km) |
| Dorchester to Miami (Oklahoma) | 4,401.16 mi (7,082.99 km) |
| Dorchester to Miami Beach (Florida) | 4,332.93 mi (6,973.17 km) |
| Dorchester to Miami Gardens (Florida) | 4,331.13 mi (6,970.28 km) |
