| Clacton-on-Sea to McKeesport (Pennsylvania) | 3,756.86 mi (6,046.08 km) |
| Clacton-on-Sea to McKinleyville (California) | 5,236.56 mi (8,427.43 km) |
| Clacton-on-Sea to McKinney (Texas) | 4,760.84 mi (7,661.83 km) |
| Clacton-on-Sea to McLean (Virginia) | 3,714.68 mi (5,978.20 km) |
| Clacton-on-Sea to McMinnville (Oregon) | 4,962.82 mi (7,986.88 km) |
| Clacton-on-Sea to McMinnville (Tennessee) | 4,212.43 mi (6,779.25 km) |
| Clacton-on-Sea to McNair (Virginia) | 3,723.09 mi (5,991.73 km) |
| Clacton-on-Sea to McPherson (Kansas) | 4,530.66 mi (7,291.39 km) |
| Clacton-on-Sea to Mead Valley (California) | 5,449.98 mi (8,770.90 km) |
| Clacton-on-Sea to Meadow Woods (Florida) | 4,395.04 mi (7,073.14 km) |
| Clacton-on-Sea to Meadowbrook (Virginia) | 3,795.66 mi (6,108.52 km) |
| Clacton-on-Sea to Meadville (Pennsylvania) | 3,709.63 mi (5,970.08 km) |
| Clacton-on-Sea to Mebane (North Carolina) | 3,931.88 mi (6,327.75 km) |
| Clacton-on-Sea to Mechanicsville (Virginia) | 3,781.77 mi (6,086.18 km) |
| Clacton-on-Sea to Medford (Massachusetts) | 3,315.88 mi (5,336.39 km) |
