| Karlovy Vary to Menen | 429.88 mi (691.82 km) |
| Karlovy Vary to Merchtem | 382.06 mi (614.87 km) |
| Karlovy Vary to Merelbeke | 403.19 mi (648.88 km) |
| Karlovy Vary to Merksem | 375.03 mi (603.55 km) |
| Karlovy Vary to Merksplas | 358.12 mi (576.34 km) |
| Karlovy Vary to Mettet | 362.65 mi (583.63 km) |
| Karlovy Vary to Meulebeke | 423.09 mi (680.90 km) |
| Karlovy Vary to Middelkerke | 444.43 mi (715.25 km) |
| Karlovy Vary to Mol | 345.51 mi (556.05 km) |
| Karlovy Vary to Mons | 393.51 mi (633.30 km) |
| Karlovy Vary to Montignies-le-Tilleul | 374.56 mi (602.79 km) |
| Karlovy Vary to Moorslede | 432.65 mi (696.29 km) |
| Karlovy Vary to Moortebeek | 376.97 mi (606.68 km) |
| Karlovy Vary to Morlanwelz-Mariemont | 381.05 mi (613.24 km) |
| Karlovy Vary to Mortsel | 373.29 mi (600.76 km) |
