| Llantrisant to Manerbio | 749.95 mi (1,206.93 km) |
| Llantrisant to Manfredonia | 1,137.78 mi (1,831.08 km) |
| Llantrisant to Maniago | 818.03 mi (1,316.50 km) |
| Llantrisant to Mantova | 783.89 mi (1,261.56 km) |
| Llantrisant to Maranello | 814.63 mi (1,311.02 km) |
| Llantrisant to Marano di Napoli | 1,110.69 mi (1,787.49 km) |
| Llantrisant to Marano Vicentino | 785.50 mi (1,264.13 km) |
| Llantrisant to Marcianise | 1,108.09 mi (1,783.30 km) |
| Llantrisant to Marcon | 825.28 mi (1,328.15 km) |
| Llantrisant to Mareno di Piave | 815.96 mi (1,313.15 km) |
| Llantrisant to Margherita di Savoia | 1,159.24 mi (1,865.62 km) |
| Llantrisant to Mariano Comense | 699.85 mi (1,126.30 km) |
| Llantrisant to Marigliano | 1,118.48 mi (1,800.02 km) |
| Llantrisant to Marino | 1,013.33 mi (1,630.79 km) |
| Llantrisant to Marostica | 792.30 mi (1,275.09 km) |
