| Karlovy Vary to McKeesport (Pennsylvania) | 4,261.39 mi (6,858.05 km) |
| Karlovy Vary to McKinleyville (California) | 5,619.84 mi (9,044.26 km) |
| Karlovy Vary to McKinney (Texas) | 5,251.32 mi (8,451.19 km) |
| Karlovy Vary to McLean (Virginia) | 4,224.94 mi (6,799.39 km) |
| Karlovy Vary to McMinnville (Oregon) | 5,336.37 mi (8,588.07 km) |
| Karlovy Vary to McMinnville (Tennessee) | 4,717.14 mi (7,591.51 km) |
| Karlovy Vary to McNair (Virginia) | 4,233.10 mi (6,812.51 km) |
| Karlovy Vary to McPherson (Kansas) | 5,007.13 mi (8,058.19 km) |
| Karlovy Vary to Mead Valley (California) | 5,880.40 mi (9,463.60 km) |
| Karlovy Vary to Meadow Woods (Florida) | 4,912.99 mi (7,906.69 km) |
| Karlovy Vary to Meadowbrook (Virginia) | 4,307.86 mi (6,932.83 km) |
| Karlovy Vary to Meadville (Pennsylvania) | 4,211.07 mi (6,777.06 km) |
| Karlovy Vary to Mebane (North Carolina) | 4,444.05 mi (7,152.01 km) |
| Karlovy Vary to Mechanicsville (Virginia) | 4,293.82 mi (6,910.24 km) |
| Karlovy Vary to Medford (Massachusetts) | 3,826.87 mi (6,158.75 km) |
