| Rhondda to Maisons-Alfort | 323.46 mi (520.55 km) |
| Rhondda to Maisons-Laffitte | 307.00 mi (494.07 km) |
| Rhondda to Maizieres-les-Metz | 452.83 mi (728.76 km) |
| Rhondda to Malakoff | 317.92 mi (511.65 km) |
| Rhondda to Mandelieu-la-Napoule | 735.99 mi (1,184.46 km) |
| Rhondda to Manosque | 685.90 mi (1,103.85 km) |
| Rhondda to Mantes-la-Jolie | 290.13 mi (466.92 km) |
| Rhondda to Mantes-la-Ville | 290.66 mi (467.77 km) |
| Rhondda to Marck | 236.47 mi (380.56 km) |
| Rhondda to Marcq-en-Baroeul | 289.73 mi (466.28 km) |
| Rhondda to Margny-les-Compiegne | 312.89 mi (503.54 km) |
| Rhondda to Marguerittes | 647.73 mi (1,042.41 km) |
| Rhondda to Marignane | 694.12 mi (1,117.08 km) |
| Rhondda to Marly | 456.90 mi (735.31 km) |
| Rhondda to Marly | 315.08 mi (507.07 km) |
