| Llantwit Major to Miranda de Ebro | 603.23 mi (970.80 km) |
| Llantwit Major to Mislata | 837.41 mi (1,347.67 km) |
| Llantwit Major to Moana | 677.39 mi (1,090.15 km) |
| Llantwit Major to Moguer | 990.16 mi (1,593.51 km) |
| Llantwit Major to Molina de Segura | 929.03 mi (1,495.13 km) |
| Llantwit Major to Molins de Rey | 737.77 mi (1,187.32 km) |
| Llantwit Major to Mollerusa | 706.27 mi (1,136.64 km) |
| Llantwit Major to Mollet | 733.14 mi (1,179.88 km) |
| Llantwit Major to Moncada | 735.93 mi (1,184.37 km) |
| Llantwit Major to Moncada | 832.76 mi (1,340.20 km) |
| Llantwit Major to Monforte de Lemos | 642.85 mi (1,034.57 km) |
| Llantwit Major to Monforte del Cid | 909.88 mi (1,464.31 km) |
| Llantwit Major to Mongat | 738.82 mi (1,189.01 km) |
| Llantwit Major to Monovar | 905.17 mi (1,456.73 km) |
| Llantwit Major to Monserrat | 843.90 mi (1,358.12 km) |
