| Llantwit Major to Mitcham | 143.23 mi (230.51 km) |
| Llantwit Major to Mold | 122.45 mi (197.06 km) |
| Llantwit Major to Molesey | 134.13 mi (215.85 km) |
| Llantwit Major to Monkseaton | 264.73 mi (426.03 km) |
| Llantwit Major to Monmouth | 42.75 mi (68.81 km) |
| Llantwit Major to Montrose | 368.58 mi (593.18 km) |
| Llantwit Major to Morden | 141.37 mi (227.51 km) |
| Llantwit Major to Morecambe | 185.99 mi (299.32 km) |
| Llantwit Major to Moreton | 138.68 mi (223.18 km) |
| Llantwit Major to Morley | 179.96 mi (289.61 km) |
| Llantwit Major to Morpeth | 270.10 mi (434.69 km) |
| Llantwit Major to Morriston | 26.77 mi (43.08 km) |
| Llantwit Major to Mosbrough | 159.75 mi (257.09 km) |
| Llantwit Major to Mossley | 157.73 mi (253.83 km) |
| Llantwit Major to Moston | 155.53 mi (250.30 km) |
