| Llantwit Major to Manerbio | 749.18 mi (1,205.69 km) |
| Llantwit Major to Manfredonia | 1,136.97 mi (1,829.78 km) |
| Llantwit Major to Maniago | 818.82 mi (1,317.76 km) |
| Llantwit Major to Mantova | 783.24 mi (1,260.50 km) |
| Llantwit Major to Maranello | 813.58 mi (1,309.33 km) |
| Llantwit Major to Marano di Napoli | 1,108.97 mi (1,784.71 km) |
| Llantwit Major to Marano Vicentino | 785.49 mi (1,264.12 km) |
| Llantwit Major to Marcianise | 1,106.46 mi (1,780.68 km) |
| Llantwit Major to Marcon | 825.47 mi (1,328.47 km) |
| Llantwit Major to Mareno di Piave | 816.38 mi (1,313.84 km) |
| Llantwit Major to Margherita di Savoia | 1,158.39 mi (1,864.24 km) |
| Llantwit Major to Mariano Comense | 698.92 mi (1,124.80 km) |
| Llantwit Major to Marigliano | 1,116.86 mi (1,797.42 km) |
| Llantwit Major to Marino | 1,011.44 mi (1,627.75 km) |
| Llantwit Major to Marostica | 792.41 mi (1,275.26 km) |
