| Porthcawl to Mancha Real | 946.14 mi (1,522.67 km) |
| Porthcawl to Manilva | 1,045.90 mi (1,683.22 km) |
| Porthcawl to Manises | 843.40 mi (1,357.32 km) |
| Porthcawl to Manlleu | 712.88 mi (1,147.27 km) |
| Porthcawl to Manresa | 722.53 mi (1,162.79 km) |
| Porthcawl to Manzanares | 862.67 mi (1,388.33 km) |
| Porthcawl to Manzanares el Real | 742.99 mi (1,195.73 km) |
| Porthcawl to Maracena | 986.66 mi (1,587.87 km) |
| Porthcawl to Marbella | 1,035.53 mi (1,666.52 km) |
| Porthcawl to Marchena | 981.08 mi (1,578.89 km) |
| Porthcawl to Marin | 670.45 mi (1,078.98 km) |
| Porthcawl to Marratxi | 874.44 mi (1,407.28 km) |
| Porthcawl to Martorell | 740.69 mi (1,192.03 km) |
| Porthcawl to Martos | 951.05 mi (1,530.56 km) |
| Porthcawl to Masamagrell | 838.56 mi (1,349.54 km) |
