| Llantrisant to Miranda de Ebro | 612.43 mi (985.60 km) |
| Llantrisant to Mislata | 845.79 mi (1,361.16 km) |
| Llantrisant to Moana | 687.71 mi (1,106.76 km) |
| Llantrisant to Moguer | 1,000.19 mi (1,609.66 km) |
| Llantrisant to Molina de Segura | 937.77 mi (1,509.20 km) |
| Llantrisant to Molins de Rey | 744.79 mi (1,198.63 km) |
| Llantrisant to Mollerusa | 713.82 mi (1,148.78 km) |
| Llantrisant to Mollet | 740.04 mi (1,190.99 km) |
| Llantrisant to Moncada | 742.86 mi (1,195.51 km) |
| Llantrisant to Moncada | 841.13 mi (1,353.67 km) |
| Llantrisant to Monforte de Lemos | 653.12 mi (1,051.09 km) |
| Llantrisant to Monforte del Cid | 918.45 mi (1,478.10 km) |
| Llantrisant to Mongat | 745.70 mi (1,200.08 km) |
| Llantrisant to Monovar | 913.77 mi (1,470.58 km) |
| Llantrisant to Monserrat | 852.36 mi (1,371.74 km) |
