| Rhondda to Medvode | 891.27 mi (1,434.37 km) |
| Rhondda to Menges | 896.65 mi (1,443.02 km) |
| Rhondda to Metlika | 946.01 mi (1,522.46 km) |
| Rhondda to Mezica | 895.79 mi (1,441.63 km) |
| Rhondda to Miklavz na Dravskem Polju | 931.29 mi (1,498.76 km) |
| Rhondda to Miren | 867.53 mi (1,396.16 km) |
| Rhondda to Mirna | 924.79 mi (1,488.30 km) |
| Rhondda to Mirna Pec | 928.93 mi (1,494.96 km) |
| Rhondda to Mislinja | 912.47 mi (1,468.47 km) |
| Rhondda to Mokronog | 928.35 mi (1,494.03 km) |
| Rhondda to Moravce | 904.81 mi (1,456.15 km) |
| Rhondda to Moravske-Toplice | 947.08 mi (1,524.18 km) |
| Rhondda to Mozirje | 906.38 mi (1,458.68 km) |
| Rhondda to Murska Sobota | 945.37 mi (1,521.43 km) |
| Rhondda to Muta | 905.46 mi (1,457.20 km) |
