| Rhondda to Lubbeek | 360.57 mi (580.28 km) |
| Rhondda to Lummen | 374.61 mi (602.88 km) |
| Rhondda to Maaseik | 398.38 mi (641.13 km) |
| Rhondda to Machelen | 342.88 mi (551.82 km) |
| Rhondda to Maldegem | 296.54 mi (477.24 km) |
| Rhondda to Malmedy | 418.04 mi (672.78 km) |
| Rhondda to Manage | 340.91 mi (548.64 km) |
| Rhondda to Marche-en-Famenne | 392.99 mi (632.45 km) |
| Rhondda to Mariakerke | 308.31 mi (496.18 km) |
| Rhondda to Mechelen | 343.28 mi (552.45 km) |
| Rhondda to Mechelen-aan-de-Maas | 395.98 mi (637.27 km) |
| Rhondda to Meerhout | 367.94 mi (592.14 km) |
| Rhondda to Meise | 338.16 mi (544.21 km) |
| Rhondda to Melle | 314.50 mi (506.14 km) |
| Rhondda to Melsele | 332.70 mi (535.43 km) |
