| Middlesex to Maricopa (Arizona) | 2,121.64 mi (3,414.45 km) |
| Middlesex to Marietta (Georgia) | 716.19 mi (1,152.60 km) |
| Middlesex to Marietta (Ohio) | 376.00 mi (605.11 km) |
| Middlesex to Marina (California) | 2,535.98 mi (4,081.27 km) |
| Middlesex to Marinette (Wisconsin) | 733.69 mi (1,180.76 km) |
| Middlesex to Marion (Arkansas) | 931.56 mi (1,499.21 km) |
| Middlesex to Marion (Illinois) | 797.19 mi (1,282.95 km) |
| Middlesex to Marion (Indiana) | 585.37 mi (942.05 km) |
| Middlesex to Marion (Iowa) | 890.94 mi (1,433.83 km) |
| Middlesex to Marion (Ohio) | 452.21 mi (727.76 km) |
| Middlesex to Marion Oaks (Florida) | 910.14 mi (1,464.73 km) |
| Middlesex to Markham (Illinois) | 689.81 mi (1,110.15 km) |
| Middlesex to Marlborough (Massachusetts) | 196.04 mi (315.50 km) |
| Middlesex to Marlton (New Jersey) | 51.70 mi (83.20 km) |
| Middlesex to Marquette (Michigan) | 765.19 mi (1,231.46 km) |
