| Idanha-a-Nova to Menen | 902.39 mi (1,452.25 km) |
| Idanha-a-Nova to Merchtem | 942.05 mi (1,516.08 km) |
| Idanha-a-Nova to Merelbeke | 930.42 mi (1,497.37 km) |
| Idanha-a-Nova to Merksem | 962.44 mi (1,548.90 km) |
| Idanha-a-Nova to Merksplas | 980.89 mi (1,578.59 km) |
| Idanha-a-Nova to Mettet | 921.05 mi (1,482.29 km) |
| Idanha-a-Nova to Meulebeke | 915.22 mi (1,472.90 km) |
| Idanha-a-Nova to Middelkerke | 916.10 mi (1,474.32 km) |
| Idanha-a-Nova to Mol | 978.57 mi (1,574.86 km) |
| Idanha-a-Nova to Mons | 906.88 mi (1,459.48 km) |
| Idanha-a-Nova to Montignies-le-Tilleul | 916.10 mi (1,474.33 km) |
| Idanha-a-Nova to Moorslede | 906.04 mi (1,458.13 km) |
| Idanha-a-Nova to Moortebeek | 939.16 mi (1,511.43 km) |
| Idanha-a-Nova to Morlanwelz-Mariemont | 915.11 mi (1,472.72 km) |
| Idanha-a-Nova to Mortsel | 959.14 mi (1,543.59 km) |
