| Louisville to McKeesport (Pennsylvania) | 344.92 mi (555.09 km) |
| Louisville to McKinleyville (California) | 2,040.05 mi (3,283.14 km) |
| Louisville to McKinney (Texas) | 706.42 mi (1,136.88 km) |
| Louisville to McLean (Virginia) | 459.77 mi (739.93 km) |
| Louisville to McMinnville (Oregon) | 1,978.11 mi (3,183.46 km) |
| Louisville to McMinnville (Tennessee) | 171.50 mi (276.00 km) |
| Louisville to McNair (Virginia) | 448.17 mi (721.26 km) |
| Louisville to McPherson (Kansas) | 651.30 mi (1,048.16 km) |
| Louisville to Mead Valley (California) | 1,784.71 mi (2,872.21 km) |
| Louisville to Meadow Woods (Florida) | 720.81 mi (1,160.03 km) |
| Louisville to Meadowbrook (Virginia) | 449.03 mi (722.65 km) |
| Louisville to Meadville (Pennsylvania) | 377.86 mi (608.10 km) |
| Louisville to Mebane (North Carolina) | 379.37 mi (610.54 km) |
| Louisville to Mechanicsville (Virginia) | 453.51 mi (729.86 km) |
| Louisville to Medford (Massachusetts) | 819.43 mi (1,318.74 km) |
