| Koszalin to McKeesport (Pennsylvania) | 4,244.44 mi (6,830.77 km) |
| Koszalin to McKinleyville (California) | 5,454.46 mi (8,778.11 km) |
| Koszalin to McKinney (Texas) | 5,201.50 mi (8,371.01 km) |
| Koszalin to McLean (Virginia) | 4,222.91 mi (6,796.11 km) |
| Koszalin to McMinnville (Oregon) | 5,165.52 mi (8,313.11 km) |
| Koszalin to McMinnville (Tennessee) | 4,698.21 mi (7,561.03 km) |
| Koszalin to McNair (Virginia) | 4,230.29 mi (6,807.99 km) |
| Koszalin to McPherson (Kansas) | 4,936.92 mi (7,945.21 km) |
| Koszalin to Mead Valley (California) | 5,752.95 mi (9,258.47 km) |
| Koszalin to Meadow Woods (Florida) | 4,937.54 mi (7,946.20 km) |
| Koszalin to Meadowbrook (Virginia) | 4,311.28 mi (6,938.33 km) |
| Koszalin to Meadville (Pennsylvania) | 4,187.54 mi (6,739.20 km) |
| Koszalin to Mebane (North Carolina) | 4,446.69 mi (7,156.25 km) |
| Koszalin to Mechanicsville (Virginia) | 4,296.83 mi (6,915.07 km) |
| Koszalin to Medford (Massachusetts) | 3,829.19 mi (6,162.49 km) |
