| Cockermouth to McKeesport (Pennsylvania) | 3,514.57 mi (5,656.16 km) |
| Cockermouth to McKinleyville (California) | 4,964.66 mi (7,989.85 km) |
| Cockermouth to McKinney (Texas) | 4,507.77 mi (7,254.56 km) |
| Cockermouth to McLean (Virginia) | 3,479.31 mi (5,599.40 km) |
| Cockermouth to McMinnville (Oregon) | 4,691.34 mi (7,549.99 km) |
| Cockermouth to McMinnville (Tennessee) | 3,970.32 mi (6,389.61 km) |
| Cockermouth to McNair (Virginia) | 3,487.35 mi (5,612.36 km) |
| Cockermouth to McPherson (Kansas) | 4,270.68 mi (6,873.00 km) |
| Cockermouth to Mead Valley (California) | 5,179.79 mi (8,336.07 km) |
| Cockermouth to Meadow Woods (Florida) | 4,174.98 mi (6,718.98 km) |
| Cockermouth to Meadowbrook (Virginia) | 3,563.20 mi (5,734.42 km) |
| Cockermouth to Meadville (Pennsylvania) | 3,464.36 mi (5,575.34 km) |
| Cockermouth to Mebane (North Carolina) | 3,699.32 mi (5,953.49 km) |
| Cockermouth to Mechanicsville (Virginia) | 3,549.08 mi (5,711.69 km) |
| Cockermouth to Medford (Massachusetts) | 3,081.71 mi (4,959.53 km) |
