| Penafiel to Menen | 857.45 mi (1,379.93 km) |
| Penafiel to Merchtem | 900.11 mi (1,448.58 km) |
| Penafiel to Merelbeke | 886.69 mi (1,426.99 km) |
| Penafiel to Merksem | 919.83 mi (1,480.32 km) |
| Penafiel to Merksplas | 939.04 mi (1,511.23 km) |
| Penafiel to Mettet | 883.91 mi (1,422.52 km) |
| Penafiel to Meulebeke | 870.12 mi (1,400.32 km) |
| Penafiel to Middelkerke | 868.24 mi (1,397.30 km) |
| Penafiel to Mol | 938.40 mi (1,510.21 km) |
| Penafiel to Mons | 866.63 mi (1,394.70 km) |
| Penafiel to Montignies-le-Tilleul | 877.70 mi (1,412.52 km) |
| Penafiel to Moorslede | 860.43 mi (1,384.73 km) |
| Penafiel to Moortebeek | 898.13 mi (1,445.40 km) |
| Penafiel to Morlanwelz-Mariemont | 875.83 mi (1,409.51 km) |
| Penafiel to Mortsel | 916.98 mi (1,475.74 km) |
