| Llantrisant to Mombris | 556.31 mi (895.29 km) |
| Llantrisant to Monchengladbach | 423.40 mi (681.40 km) |
| Llantrisant to Monschau | 423.47 mi (681.52 km) |
| Llantrisant to Montabaur | 492.58 mi (792.72 km) |
| Llantrisant to Moosburg | 710.70 mi (1,143.77 km) |
| Llantrisant to Morbach | 474.10 mi (762.98 km) |
| Llantrisant to Morfelden-Walldorf | 532.64 mi (857.20 km) |
| Llantrisant to Morlenbach | 547.49 mi (881.10 km) |
| Llantrisant to Morsbach | 481.95 mi (775.63 km) |
| Llantrisant to Mosbach | 570.52 mi (918.17 km) |
| Llantrisant to Mosigkau | 667.59 mi (1,074.39 km) |
| Llantrisant to Mossingen | 592.48 mi (953.51 km) |
| Llantrisant to Much | 467.77 mi (752.80 km) |
| Llantrisant to Mucheln | 652.87 mi (1,050.70 km) |
| Llantrisant to Muhlacker | 567.82 mi (913.82 km) |
