| New Britain to McHenry (Illinois) | 796.35 mi (1,281.60 km) |
| New Britain to McKeesport (Pennsylvania) | 379.23 mi (610.31 km) |
| New Britain to McKinleyville (California) | 2,622.36 mi (4,220.28 km) |
| New Britain to McKinney (Texas) | 1,428.74 mi (2,299.34 km) |
| New Britain to McLean (Virginia) | 299.23 mi (481.56 km) |
| New Britain to McMinnville (Oregon) | 2,499.11 mi (4,021.92 km) |
| New Britain to McMinnville (Tennessee) | 812.65 mi (1,307.83 km) |
| New Britain to McNair (Virginia) | 307.85 mi (495.43 km) |
| New Britain to McPherson (Kansas) | 1,330.95 mi (2,141.95 km) |
| New Britain to Mead Valley (California) | 2,462.14 mi (3,962.44 km) |
| New Britain to Meadow Woods (Florida) | 1,037.83 mi (1,670.22 km) |
| New Britain to Meadowbrook (Virginia) | 385.13 mi (619.81 km) |
| New Britain to Meadville (Pennsylvania) | 379.83 mi (611.28 km) |
| New Britain to Mebane (North Carolina) | 520.22 mi (837.21 km) |
| New Britain to Mechanicsville (Virginia) | 370.54 mi (596.33 km) |
