| Llantrisant to Marly-le-Roi | 304.27 mi (489.67 km) |
| Llantrisant to Marmande | 513.17 mi (825.86 km) |
| Llantrisant to Maromme | 240.60 mi (387.21 km) |
| Llantrisant to Marquette-les-Lille | 285.65 mi (459.71 km) |
| Llantrisant to Marseille | 700.16 mi (1,126.81 km) |
| Llantrisant to Martigues | 685.16 mi (1,102.66 km) |
| Llantrisant to Massy | 316.47 mi (509.31 km) |
| Llantrisant to Maubeuge | 331.69 mi (533.80 km) |
| Llantrisant to Mauguio | 646.00 mi (1,039.63 km) |
| Llantrisant to Mauleon | 340.37 mi (547.77 km) |
| Llantrisant to Maurepas | 303.77 mi (488.87 km) |
| Llantrisant to Maxeville | 465.10 mi (748.50 km) |
| Llantrisant to Mayenne | 255.24 mi (410.77 km) |
| Llantrisant to Mazamet | 617.06 mi (993.06 km) |
| Llantrisant to Meaux | 329.05 mi (529.56 km) |
