| Swansea to Miranda de Ebro | 4,361.44 mi (7,019.06 km) |
| Swansea to Mislata | 4,586.16 mi (7,380.72 km) |
| Swansea to Moana | 4,111.46 mi (6,616.75 km) |
| Swansea to Moguer | 4,363.09 mi (7,021.71 km) |
| Swansea to Molina de Segura | 4,600.77 mi (7,404.22 km) |
| Swansea to Molins de Rey | 4,624.81 mi (7,442.92 km) |
| Swansea to Mollerusa | 4,567.57 mi (7,350.80 km) |
| Swansea to Mollet | 4,628.94 mi (7,449.56 km) |
| Swansea to Moncada | 4,629.73 mi (7,450.83 km) |
| Swansea to Moncada | 4,584.53 mi (7,378.09 km) |
| Swansea to Monforte de Lemos | 4,160.63 mi (6,695.89 km) |
| Swansea to Monforte del Cid | 4,611.34 mi (7,421.23 km) |
| Swansea to Mongat | 4,634.46 mi (7,458.44 km) |
| Swansea to Monovar | 4,604.28 mi (7,409.87 km) |
| Swansea to Monserrat | 4,581.85 mi (7,373.77 km) |
