| Penarth to Menen | 276.32 mi (444.69 km) |
| Penarth to Merchtem | 321.99 mi (518.19 km) |
| Penarth to Merelbeke | 300.85 mi (484.18 km) |
| Penarth to Merksem | 328.66 mi (528.93 km) |
| Penarth to Merksplas | 346.30 mi (557.31 km) |
| Penarth to Mettet | 349.59 mi (562.60 km) |
| Penarth to Meulebeke | 281.48 mi (452.99 km) |
| Penarth to Middelkerke | 259.17 mi (417.10 km) |
| Penarth to Mol | 358.15 mi (576.38 km) |
| Penarth to Mons | 317.16 mi (510.42 km) |
| Penarth to Montignies-le-Tilleul | 336.78 mi (541.99 km) |
| Penarth to Moorslede | 272.55 mi (438.63 km) |
| Penarth to Moortebeek | 327.76 mi (527.47 km) |
| Penarth to Morlanwelz-Mariemont | 329.21 mi (529.81 km) |
| Penarth to Mortsel | 330.27 mi (531.52 km) |
