| Swansea to Mancha Real | 4,498.36 mi (7,239.42 km) |
| Swansea to Manilva | 4,469.97 mi (7,193.72 km) |
| Swansea to Manises | 4,584.30 mi (7,377.72 km) |
| Swansea to Manlleu | 4,615.21 mi (7,427.47 km) |
| Swansea to Manresa | 4,605.25 mi (7,411.44 km) |
| Swansea to Manzanares | 4,467.18 mi (7,189.23 km) |
| Swansea to Manzanares el Real | 4,385.33 mi (7,057.50 km) |
| Swansea to Maracena | 4,518.10 mi (7,271.17 km) |
| Swansea to Marbella | 4,482.83 mi (7,214.41 km) |
| Swansea to Marchena | 4,428.90 mi (7,127.63 km) |
| Swansea to Marin | 4,110.39 mi (6,615.03 km) |
| Swansea to Marratxi | 4,722.99 mi (7,600.92 km) |
| Swansea to Martorell | 4,618.86 mi (7,433.33 km) |
| Swansea to Martos | 4,484.15 mi (7,216.55 km) |
| Swansea to Masamagrell | 4,586.63 mi (7,381.46 km) |
