| Karlovy Vary to Mauldin (South Carolina) | 4,627.79 mi (7,447.71 km) |
| Karlovy Vary to Maumee (Ohio) | 4,346.04 mi (6,994.28 km) |
| Karlovy Vary to Maumelle (Arkansas) | 5,008.20 mi (8,059.93 km) |
| Karlovy Vary to Mayagüez (Puerto Rico) | 4,821.99 mi (7,760.24 km) |
| Karlovy Vary to Mayfield Heights (Ohio) | 4,266.36 mi (6,866.05 km) |
| Karlovy Vary to Mays Chapel (Maryland) | 4,180.57 mi (6,727.98 km) |
| Karlovy Vary to Maywood (California) | 5,896.25 mi (9,489.10 km) |
| Karlovy Vary to Maywood (Illinois) | 4,482.65 mi (7,214.12 km) |
| Karlovy Vary to McAlester (Oklahoma) | 5,126.39 mi (8,250.13 km) |
| Karlovy Vary to McAllen (Texas) | 5,690.75 mi (9,158.38 km) |
| Karlovy Vary to McCalla (Alabama) | 4,886.75 mi (7,864.47 km) |
| Karlovy Vary to McComb (Mississippi) | 5,126.04 mi (8,249.56 km) |
| Karlovy Vary to McDonough (Georgia) | 4,767.77 mi (7,672.98 km) |
| Karlovy Vary to McFarland (California) | 5,822.58 mi (9,370.54 km) |
| Karlovy Vary to McHenry (Illinois) | 4,475.79 mi (7,203.09 km) |
