| Llantwit Major to Mickleover | 131.57 mi (211.74 km) |
| Llantwit Major to Middlesbrough | 238.01 mi (383.04 km) |
| Llantwit Major to Middleton | 158.04 mi (254.35 km) |
| Llantwit Major to Middlewich | 130.86 mi (210.60 km) |
| Llantwit Major to Midsomer Norton | 43.69 mi (70.31 km) |
| Llantwit Major to Mildenhall | 181.86 mi (292.67 km) |
| Llantwit Major to Milford Haven | 70.62 mi (113.65 km) |
| Llantwit Major to Mill Hill | 140.30 mi (225.79 km) |
| Llantwit Major to Milngavie | 315.27 mi (507.38 km) |
| Llantwit Major to Milnrow | 162.71 mi (261.86 km) |
| Llantwit Major to Milton | 126.81 mi (204.08 km) |
| Llantwit Major to Milton Keynes | 124.17 mi (199.84 km) |
| Llantwit Major to Minehead | 13.98 mi (22.51 km) |
| Llantwit Major to Minster | 184.59 mi (297.06 km) |
| Llantwit Major to Mirfield | 174.14 mi (280.25 km) |
