| Llantwit Major to Mels | 653.70 mi (1,052.04 km) |
| Llantwit Major to Mendrisio | 684.19 mi (1,101.10 km) |
| Llantwit Major to Meyrin | 562.29 mi (904.92 km) |
| Llantwit Major to Mohlin | 572.67 mi (921.62 km) |
| Llantwit Major to Monthey | 592.18 mi (953.02 km) |
| Llantwit Major to Montreux | 582.77 mi (937.88 km) |
| Llantwit Major to Morges | 563.90 mi (907.51 km) |
| Llantwit Major to Munchenstein | 565.15 mi (909.52 km) |
| Llantwit Major to Muri | 582.68 mi (937.74 km) |
| Llantwit Major to Muttenz | 566.46 mi (911.63 km) |
| Llantwit Major to Naters | 627.23 mi (1,009.42 km) |
| Llantwit Major to Neuchatel | 559.08 mi (899.75 km) |
| Llantwit Major to Neuenhof | 595.90 mi (959.01 km) |
| Llantwit Major to Neuhausen am Rheinfall | 599.05 mi (964.08 km) |
| Llantwit Major to Niederhasli | 600.88 mi (967.02 km) |
