| Pontypridd to Melzo | 718.27 mi (1,155.95 km) |
| Pontypridd to Mendicino | 1,267.08 mi (2,039.17 km) |
| Pontypridd to Menfi | 1,250.58 mi (2,012.61 km) |
| Pontypridd to Mentana | 1,001.34 mi (1,611.49 km) |
| Pontypridd to Merano | 737.05 mi (1,186.16 km) |
| Pontypridd to Merate | 709.99 mi (1,142.62 km) |
| Pontypridd to Mercato San Severino | 1,138.48 mi (1,832.21 km) |
| Pontypridd to Mercogliano | 1,130.57 mi (1,819.48 km) |
| Pontypridd to Mesagne | 1,260.31 mi (2,028.27 km) |
| Pontypridd to Messina | 1,301.60 mi (2,094.72 km) |
| Pontypridd to Mestre | 825.88 mi (1,329.12 km) |
| Pontypridd to Mestrino | 809.25 mi (1,302.35 km) |
| Pontypridd to Milan | 711.45 mi (1,144.98 km) |
| Pontypridd to Milazzo | 1,289.64 mi (2,075.48 km) |
| Pontypridd to Minerbio | 834.12 mi (1,342.39 km) |
