| Cockermouth to Mauldin (South Carolina) | 3,882.20 mi (6,247.79 km) |
| Cockermouth to Maumee (Ohio) | 3,600.33 mi (5,794.17 km) |
| Cockermouth to Maumelle (Arkansas) | 4,262.84 mi (6,860.37 km) |
| Cockermouth to Mayagüez (Puerto Rico) | 4,156.67 mi (6,689.51 km) |
| Cockermouth to Mayfield Heights (Ohio) | 3,519.87 mi (5,664.68 km) |
| Cockermouth to Mays Chapel (Maryland) | 3,434.88 mi (5,527.90 km) |
| Cockermouth to Maywood (California) | 5,199.01 mi (8,366.99 km) |
| Cockermouth to Maywood (Illinois) | 3,739.88 mi (6,018.75 km) |
| Cockermouth to McAlester (Oklahoma) | 4,383.55 mi (7,054.64 km) |
| Cockermouth to McAllen (Texas) | 4,944.38 mi (7,957.21 km) |
| Cockermouth to McCalla (Alabama) | 4,140.08 mi (6,662.82 km) |
| Cockermouth to McComb (Mississippi) | 4,379.21 mi (7,047.66 km) |
| Cockermouth to McDonough (Georgia) | 4,022.01 mi (6,472.79 km) |
| Cockermouth to McFarland (California) | 5,133.25 mi (8,261.18 km) |
| Cockermouth to McHenry (Illinois) | 3,733.95 mi (6,009.21 km) |
