| Rhondda to Menen | 288.59 mi (464.44 km) |
| Rhondda to Merchtem | 333.45 mi (536.63 km) |
| Rhondda to Merelbeke | 312.36 mi (502.70 km) |
| Rhondda to Merksem | 339.36 mi (546.15 km) |
| Rhondda to Merksplas | 356.61 mi (573.91 km) |
| Rhondda to Mettet | 362.37 mi (583.18 km) |
| Rhondda to Meulebeke | 293.26 mi (471.96 km) |
| Rhondda to Middelkerke | 270.40 mi (435.16 km) |
| Rhondda to Mol | 368.88 mi (593.65 km) |
| Rhondda to Mons | 329.95 mi (531.00 km) |
| Rhondda to Montignies-le-Tilleul | 349.54 mi (562.52 km) |
| Rhondda to Moorslede | 284.58 mi (457.99 km) |
| Rhondda to Moortebeek | 339.47 mi (546.32 km) |
| Rhondda to Morlanwelz-Mariemont | 341.88 mi (550.20 km) |
| Rhondda to Mortsel | 341.17 mi (549.05 km) |
