| Rhondda to Malkara | 1,611.03 mi (2,592.71 km) |
| Rhondda to Manavgat | 1,980.20 mi (3,186.83 km) |
| Rhondda to Manisa | 1,731.69 mi (2,786.88 km) |
| Rhondda to Mardin | 2,346.00 mi (3,775.52 km) |
| Rhondda to Marmara Ereglisi | 1,651.45 mi (2,657.75 km) |
| Rhondda to Mazidagi | 2,328.17 mi (3,746.82 km) |
| Rhondda to Mecitozu | 1,979.24 mi (3,185.27 km) |
| Rhondda to Menderes | 1,737.33 mi (2,795.96 km) |
| Rhondda to Menemen | 1,718.69 mi (2,765.96 km) |
| Rhondda to Meram | 1,973.55 mi (3,176.12 km) |
| Rhondda to Mersin | 2,111.62 mi (3,398.33 km) |
| Rhondda to Merzifon | 1,972.10 mi (3,173.80 km) |
| Rhondda to Midyat | 2,368.51 mi (3,811.74 km) |
| Rhondda to Mugla | 1,835.41 mi (2,953.81 km) |
| Rhondda to Mus | 2,317.34 mi (3,729.40 km) |
