| Idrija to Menen | 599.03 mi (964.05 km) |
| Idrija to Merchtem | 563.87 mi (907.46 km) |
| Idrija to Merelbeke | 582.76 mi (937.86 km) |
| Idrija to Merksem | 567.34 mi (913.04 km) |
| Idrija to Merksplas | 557.81 mi (897.71 km) |
| Idrija to Mettet | 524.23 mi (843.67 km) |
| Idrija to Meulebeke | 598.12 mi (962.58 km) |
| Idrija to Middelkerke | 623.87 mi (1,004.02 km) |
| Idrija to Mol | 541.50 mi (871.45 km) |
| Idrija to Mons | 555.67 mi (894.27 km) |
| Idrija to Montignies-le-Tilleul | 536.86 mi (863.99 km) |
| Idrija to Moorslede | 604.50 mi (972.85 km) |
| Idrija to Moortebeek | 555.77 mi (894.43 km) |
| Idrija to Morlanwelz-Mariemont | 544.89 mi (876.92 km) |
| Idrija to Mortsel | 563.38 mi (906.67 km) |
