| Middlesex to Merriam (Kansas) | 1,074.92 mi (1,729.92 km) |
| Middlesex to Merrick (New York) | 49.99 mi (80.45 km) |
| Middlesex to Merrifield (Virginia) | 187.18 mi (301.24 km) |
| Middlesex to Merrillville (Indiana) | 670.44 mi (1,078.97 km) |
| Middlesex to Merritt Island (Florida) | 916.52 mi (1,475.00 km) |
| Middlesex to Mesa (Arizona) | 2,096.31 mi (3,373.69 km) |
| Middlesex to Mesquite (Nevada) | 2,135.10 mi (3,436.11 km) |
| Middlesex to Mesquite (Texas) | 1,332.96 mi (2,145.20 km) |
| Middlesex to Metairie (Louisiana) | 1,143.93 mi (1,840.98 km) |
| Middlesex to Methuen Town (Massachusetts) | 226.91 mi (365.17 km) |
| Middlesex to Metuchen (New Jersey) | 7.59 mi (12.21 km) |
| Middlesex to Mexico (Missouri) | 924.77 mi (1,488.28 km) |
| Middlesex to Miami (Florida) | 1,073.26 mi (1,727.25 km) |
| Middlesex to Miami (Oklahoma) | 1,124.32 mi (1,809.42 km) |
| Middlesex to Miami Beach (Florida) | 1,069.84 mi (1,721.74 km) |
