| Llantrisant to Mancha Real | 950.49 mi (1,529.67 km) |
| Llantrisant to Manilva | 1,051.42 mi (1,692.09 km) |
| Llantrisant to Manises | 844.94 mi (1,359.81 km) |
| Llantrisant to Manlleu | 711.06 mi (1,144.34 km) |
| Llantrisant to Manresa | 721.27 mi (1,160.77 km) |
| Llantrisant to Manzanares | 866.82 mi (1,395.01 km) |
| Llantrisant to Manzanares el Real | 747.59 mi (1,203.13 km) |
| Llantrisant to Maracena | 991.02 mi (1,594.89 km) |
| Llantrisant to Marbella | 1,040.79 mi (1,674.99 km) |
| Llantrisant to Marchena | 986.78 mi (1,588.06 km) |
| Llantrisant to Marin | 679.70 mi (1,093.86 km) |
| Llantrisant to Marratxi | 873.18 mi (1,405.25 km) |
| Llantrisant to Martorell | 739.45 mi (1,190.03 km) |
| Llantrisant to Martos | 955.67 mi (1,538.00 km) |
| Llantrisant to Masamagrell | 839.98 mi (1,351.82 km) |
