| Louisville to Marysville (California) | 1,927.27 mi (3,101.64 km) |
| Louisville to Marysville (Ohio) | 187.90 mi (302.40 km) |
| Louisville to Marysville (Washington) | 1,942.60 mi (3,126.32 km) |
| Louisville to Maryville (Missouri) | 515.50 mi (829.61 km) |
| Louisville to Maryville (Tennessee) | 190.89 mi (307.21 km) |
| Louisville to Mason (Ohio) | 109.68 mi (176.51 km) |
| Louisville to Mason City (Iowa) | 524.17 mi (843.57 km) |
| Louisville to Massapequa (New York) | 671.98 mi (1,081.45 km) |
| Louisville to Massapequa Park (New York) | 673.25 mi (1,083.49 km) |
| Louisville to Massillon (Ohio) | 284.66 mi (458.11 km) |
| Louisville to Mastic (New York) | 705.85 mi (1,135.95 km) |
| Louisville to Mastic Beach (New York) | 705.86 mi (1,135.97 km) |
| Louisville to Matteson (Illinois) | 256.40 mi (412.63 km) |
| Louisville to Matthews (North Carolina) | 345.26 mi (555.65 km) |
| Louisville to Mattoon (Illinois) | 171.88 mi (276.61 km) |
