| Penarth to Mombris | 546.81 mi (880.00 km) |
| Penarth to Monchengladbach | 414.73 mi (667.45 km) |
| Penarth to Monschau | 414.01 mi (666.28 km) |
| Penarth to Montabaur | 483.21 mi (777.66 km) |
| Penarth to Moosburg | 700.55 mi (1,127.42 km) |
| Penarth to Morbach | 464.05 mi (746.81 km) |
| Penarth to Morfelden-Walldorf | 522.99 mi (841.67 km) |
| Penarth to Morlenbach | 537.55 mi (865.10 km) |
| Penarth to Morsbach | 473.02 mi (761.25 km) |
| Penarth to Mosbach | 560.47 mi (901.99 km) |
| Penarth to Mosigkau | 659.96 mi (1,062.10 km) |
| Penarth to Mossingen | 581.84 mi (936.38 km) |
| Penarth to Much | 458.85 mi (738.45 km) |
| Penarth to Mucheln | 644.73 mi (1,037.59 km) |
| Penarth to Muhlacker | 557.45 mi (897.13 km) |
