| New Britain to Mattoon (Illinois) | 830.20 mi (1,336.08 km) |
| New Britain to Mauldin (South Carolina) | 701.81 mi (1,129.45 km) |
| New Britain to Maumee (Ohio) | 561.49 mi (903.63 km) |
| New Britain to Maumelle (Arkansas) | 1,160.33 mi (1,867.37 km) |
| New Britain to Mayagüez (Puerto Rico) | 1,655.89 mi (2,664.89 km) |
| New Britain to Mayfield Heights (Ohio) | 447.78 mi (720.64 km) |
| New Britain to Mays Chapel (Maryland) | 255.22 mi (410.74 km) |
| New Britain to Maywood (California) | 2,503.97 mi (4,029.76 km) |
| New Britain to Maywood (Illinois) | 775.00 mi (1,247.24 km) |
| New Britain to McAlester (Oklahoma) | 1,325.84 mi (2,133.73 km) |
| New Britain to McAllen (Texas) | 1,796.48 mi (2,891.16 km) |
| New Britain to McCalla (Alabama) | 969.73 mi (1,560.62 km) |
| New Britain to McComb (Mississippi) | 1,214.73 mi (1,954.91 km) |
| New Britain to McDonough (Georgia) | 842.00 mi (1,355.07 km) |
| New Britain to McFarland (California) | 2,509.03 mi (4,037.89 km) |
